Smooth muscle contractions are typically characterized as:
O voluntary
O somatic
O motor based.
O involuntary

Answer:

b is the correct answer

Explanation:

In the experiment, she uses 100 milliliters of water in each trial and stirs for five minutes each time,  the dependent variable is the temperature of the water. Thus option B is correct.

Variables are the measure, manipulating parameter used in every experimental study and it is a controlling agent in research. For example person's eye color, the value can change from brown to blue and it is depend on different factors.

Three major types of variables observed such as An independent variable which is a singular characteristic, Age is an example; A dependent variable which can be influence by the effect of other variable.

A dependable variable can be changed by independent variable, For example a grade on an exam is a dependent variable type mainly depend on Independent variables.

Control variable referred as the variable which remain constant and no effect on other variables but it is used to prevent bias in an experiment and provide accuracy of the result.  

Thus option B is correct.

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Answer:

in my point of view it affect each other cause sands are made of weathering of rocks. water is made out of hydrogen and oxygen(H20). without water human being can live up to 3 days. life is run through oxygen(o). to make water we need oxygen sk it's revolves around

Answer:

They are natural gift of life by GoD

answer is seeds

when you hear angiosperms think fruit

Angiosperms reproduce using seeds. Therefore, option (D) is the correct answer.

Angiosperms are plants that blossom and produce fruits that contain their seeds. With around 300,000 species, they are the most numerous and diverse group within the kingdom Plantae. Approximately 80% of all known extant green plants are angiosperms.

Varied plants are angiosperms. They have leaves, stems, and roots. Angiosperm seeds are found in a flower, as opposed to gymnosperm seeds found in conifers and cycads. Angiosperm ovaries, which are typically found in flowers, are where fertilized angiosperm eggs turn into seeds.

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Answer:

Dependent variable.

Answer:

Dependent

Explanation:

Answer:

Horses have genes of having five toes, but as they grow, the other four don't develop. This is an example of patterning and post-patterning modes of evolution. Horses don't hunt preys, so they don't need claws. Horses develops muscles and "the hoof" for them to cover wide areas and long distances.

Explanation:

This is the correct answer.

When one of the trophic web links disappears, it affects the whole chain. In management programs it is important to consider these consequences to keep the whole ecosystem equilibrium. In the exposed situation, Native species should be maintained or planted within the greenspace to promote biodiversity and The majority of the secondary consumers should be removed from the greenspaces to promote an increase in lower levels of the food chain.

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The trophic chain is the energy transference process that involves different organisms, from autotroph or producers, to the consumers or decomposers.

The disappearance of one link affects the whole system. The direct superior link does not have enough food supply, while the immediately anterior link is beneficiated for not being eaten by its predator. And finally, as this last link will overgrow, it will consume greater quantities of its food, causing a decrease in its anterior link. Top-down control refers to scenarios where superior predators control the structure and dynamic of an ecosystem.

It is necessary and significant to consider these modifications in the whole ecosystem while planning management actions to keep an equilibrium.

In the exposed example we know that the most wanted species are

Smelts, which are the primary food source for lake trout and salmon, decreased in population size significantly.

Finally we know that smallmouth bass was introduced in 1970.

This information suggests that the decrease in smelts' population is due to the predation of the species by the lake trout, which population increased sharply in size. The change on smelts' population size, might affect the blook trout and salmon populations, that also feed on semelts, and might also affect other species occupying inferior levels.

When implementing a management program, it would be necessary to promote biodiversity by growing native species in greenspaces and ensure their survival and reproductive succes. In the exposed case, it is necessary to preserve smelts' population, so it would be also necessary to remove from these green spaces the secondary consumers -trouts and salmon- that feed on them, to ensure the smelts' population growth and recovery.

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Answer:

The Answer is A, C, and D

Explanation:

Wildlife management reacted to the increase in trout and depletion of smelt by liberalizing bag limits on lake trout and allowing harvest of smaller fish. We also severely reduced the salmon stocking rates. Salmon and trout populations had to be controlled until smelt could rebound.

Answer:

freqxkoiyyffyutgcxzw5hnjdkkoy9

Answer:

Option A, Chemicals added to the liquid can contaminate groundwater, this statement best describes an environmental consequence of this process.

Explanation:

To learn more about fracking, refer:

Answer:

A

Explanation:

Answer:

Most people give credit to Benjamin Franklin for discovering electricity. ... In 1752, Franklin conducted his famous kite experiment. In order to show that lightning was electricity, he flew a kite during a thunderstorm. He tied a metal key to the kite string to conduct the electricity.

Answer:

True

Explanation:

Most of people body weight is made up of water

Answer:

Compazine belongs to a class of drugs called Antiemetic Agents; Antipsychotics, Phenothiazine.

Answer:

1. Circulate blood through the body

Answer:

Microsoft is mainly a product based business.

I hope it helped U

I hope it helped Ustay safe stay happy

B. It happen in all layers of the Earth.

hope it will help you.

Answer:c

Explanation:

the convection currents are the earthquakes or the plates that move when a earthquakes happens. I hope this helped

Answer:

True.

Cause Triglycerides have glycerol and three fatty acids make them fats

The plasma membrane is primarily made up of fats called triglycerides. The statement is true.

Plasma membrane composed of lipid, carbohydrate and protein.

Lipids are mainly phospholipids which forms the fabric of the membrane, which form the lipid bilayer structure.

phospholipid molecules are amphiphilic in nature, as it has hydrophilic head or water loving region at the outer side and hydrophobic or water hating region at the inner side of the membrane.

Proteins are mostly Peripheral proteins located at the outer or inner regions of phospholipid bilayer , another type of proteins are intrinsic and extrinsic proteins.

Cholesterol is a fat molecule which is folded between the hydrophobic tails of phospholipid bilayer.

Carbohydrates found as a conjugated form either attached with lipid or protein like glycolipid or glycoprotein.

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The correct traffic of a protein that is exported from the cell is Ribosome - Rough ER → Vesicle - Golgi Apparatus → Vesicle + Cell Membrane

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Answer:

Cell

Explanation:

.....................

Answer:

A cell

Explanation:

a cell is the structural and functional unit of living beings.

Answer:

Transverse

Explanation:

Transverse waves cause the medium to move perpendicular to the direction of the wave.

Answer:

C

Explanation:

this is because that Carbon 12 has 6 protons and electrons and the same goes for Carbon 14 so Choice A and choice B can't be answers so D and E arent equivalent too that means Choice C can be the appropriate answer.

further more explanation:

it's also Choice C because both carbon atoms are neutral which means that the number of protons and the number of electrons are the same so that leaves us with neutron and we get the neutron number by subtracting the mass number with the proton number so let's go on shall we!

for carbon 12= 12-6=6

for for carbon 14=14-6=8 which means the best alternative is Choice C.

Best of luck!!!

Answer:

Atoms are typically made up of three main parts: protons, neutrons and electrons. Think of the protons and neutrons as together forming a “sun”, or nucleus, at the center of the system. The electrons orbit this nucleus, like planets. If atoms are impossibly small, these subatomic particles are even more so.

Molecules are groups of atoms clumped together by chemical bonds. They are also distinguished from ions by their lack of electrical charge.

H20 is a molecule, N2 is a molecule even O3 is a molecule.

Matter is basically anything that takes up space and that has mass. All physical objects have matter. The original stated of matter are solid, Liquid, And gas.

Explanation:

Hopefully this help you with you're essay :)

Answer:

i dont think so

Explanation:

the reason is that scientists have found little atmosphere and no water these are nessicary for plant survival

Answer:

Explanation:

Malpighian body is made up of the glomerulus and the Bowman's Capsule. The glomerulus is a network of capillaries that receives blood from the afferent arteriole and gives it further to the efferent arteriole. From the glomerulus, the component of blood diffuse into the Bowman's Capsule through the endothelium and basement membrane of the glomerulus and the epithelium of Bowman's Capsule.

The blood comes into the glomerulus through which it is diffused into the Bowman's capsule. Only the smaller solute molecules and water is allowed to pass through the membranes while the blood cells are retained within the glomerulus. Hence, the Malpighian Body allows the filtration of blood so that the waste can be separated from the blood. The filtrate further moves to tubules where fine reabsorption and secretion takes place. Both the kidneys produce approximately 180 liters of filtrate every day.

The difference in diameter is responsible for the process that occurs in the malpighian body as - it forms some obstruction to blood flow, which results in higher pressure in the glomerular cavity.

Malpighian Body is a structure located in Nephron in the urinary system that helps in ultrafiltration of blood. It consists of a glomerulus and its surrounding Bowman's capsule.

There are two main arteries in the Malpighian body of blood vessels

Thus, the correct answer is - it forms some obstruction to blood flow, which results in higher pressure in the glomerular cavity.

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Answer:

Nucleus - controls all activities of the cell

Nucleolus (in the middle of the nucleus)

- the synthesis of ribosomes and RNA (ribonucleic acid)

Mitochondria (battery of cell) - oxidise glucose to release energy in the form of ATP ( adenosine triphosphate)

Edoplasmic reticulum

1. Smooth - synthesises lipids

2. Rough- Transport proteins synthesised by ribosomes

Golgi apparatus ( golgi body, or any golgi, is has many names)

- Acts as Centre for processing, packaging and transporting macromolecules such as proteins and carbohydratez

Ribosomes - sites of protein synthesis

Lysosomes- Break down macromolecules such as proteins, lipids etc

Vacuoles - store food substances, site for waste products

Centrioles - form spindle fibres during cell division

Cytoplasm ( the so call empty spaces in the cell)

- place where biochemical reactions occur

Plasma membrane

-control movement of substances in and out of the cell due to its semi permeable characteristics

Ok that's all for animal cells, but for plants cells, there is more

Cloroplast - site for photosynthesis

Cell wall - Maintains the shape of plant call, give support to cells

Answer:

home sapien

Explanation:

because scientific names are not based on the gender of an organism

Answer:

1.The cotyledons in monocot seeds are scutellum.

2. Epigeal germination occurs in eudicots.

3. Things required for germination of seed: water, oxygen, temperature, and light.

Timber is the one that describes the ecosystem services. The correct option is 2.

Many of the basic offerings that people rely on are provided by ecosystems. Plants purify the air and water, bacteria biodegrade waste, bees pollinate flowers, and tree roots keep soil in place to safeguard against erosion.

These are fairly simple to identify. Food, water, timber, fibers, and even medicine are among them. Other naturalistic explanations and materials are controlled by regulating services.

Goods such as food and water are illustrations of ecosystem services, as are the regulation of floods, soil erosion, and disease outbreaks, as well as non-material benefits such as recreational and religious benefits in natural areas.

Thus, the correct option is 2.

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Answer: B

Explanation:

Answer:

k3p

Explanation:

looked it up please mark brainliest

The given elements are potassium and phosphorous. Phosphorus is found in the environment as phosphate. The symbol for potassium and phosphate are K and  

P

O

4

3

−

. The charge on K is +1, which means to balance the charge on phosphate ion; 3 potassium ions will combine with it. Thus, an ionic bond is formed between potassium and phosphate.

The name of a binary ionic compound for potassium and phosphorus is Potassium phosphate and its chemical formula  

K

3

P

O

4

.