This probably easy for all the smart people out their!

Answer:

Wave frequency can be measured by counting the number of crests (high points) of waves that pass the fixed point in 1 second or some other time period. ... The SI unit for wave frequency is the hertz (Hz), where 1 hertz equals 1 wave passing a fixed point in 1 second.

Explanation:

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The frequency of a wave measured is by counting the number of crests.

The hertz (Hz) is the SI unit for wave frequency, and 1 hertz is equal to 1 wave passing a fixed point in 1 second.

The time for one cycle, or the period, is multiplied by the reciprocal of one to obtain the frequency. The unit of frequency is Hertz or Hz. The 'time base' (seconds per division) from the oscilloscope controls is used to calculate the period.

The number of wave crests that pass a specific point in a specific amount of time, as measured in physics. The hertz (Hz), which equals one crest per second, is the most widely used frequency measurement unit.

Therefore, the number of wave crests (high points) that pass a fixed point in a second or another time interval can be used to calculate the frequency of a wave.

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Answer:

by osmisis

Explanation:

from region of high water potential to one with low water potential

The teacher has given you a sample of soil to examine. Dry mount because it won’t make the soil wet or turn it into “mud”.

The  soil is a mixture of different components  that contains minerals, organic matter, and living organisms, it is a loose sediment. there are different types of soil like  Clay Soil, Sandy soil, Loamy Soil, Silt Soil

soil contain of 45% minerals, 50% spaces or voids and 5% organic matter, it involve in performing many important functions such as Providing a growth medium for the plants, Acts a modifier of the earth’s atmosphere and it is One of the most crucial components of the biosphere

The formation of soil occur  by weathering of rocks. it leads to Solid rock can weather occur in three way such as Mechanical Weathering, Chemical Weathering, Biological Weathering

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Answer:

proteins

Explanation:

Answer:

here

Explanation:

a cell wall is only found in plant cells to provide protection and structure a cell membrane is found in plant and animal cells and its basically a filter and decids what gets in and out of the cell

Answer:

D

Explanation:

All hypotheses have been proven true is the false statement .

What is hypotheses?

A hypotheses , is a testable statement about the relationship between two or more variables or a proposed explanation for some observed phenomenon.

What is the  hypotheses in research?

A research  hypotheses is a statement of expectation or prediction that will be tested by research.

Hence ,option D is correct

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Answer:

The primary distinction between these two types of organisms is that eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not.                               So i would think that it is A

Explanation:

Hope this helps!

Answer:

non-polar

Explanation:

Glycerol has three polar Oxygen-Hydrogen bonds but these are attached to hydrocarbon chains which are relatively non-polar.

Answer:

Skeletal system and Nervous system.

Explanation:

All the organ systems we would be used for walking are:

The muscular system and Nervous system are used to walk from the front of the school to the first-period class.

• The muscular system has a specific function. This is used to walk because skeletal muscles control our body movements.

• Muscles are attached to bones so muscles cause the movement of those bones.

• So skeletal muscles involved in some activities are walking, running, writing and etc.

• The nervous system also very important which is comprised of the brain, spinal cord, nerves.

• Skeletal muscles are voluntary muscles without the brain's permission they can't work.

• So the Muscular system and Nervous system both are very important for movement because our body movements are regulated by the nervous system.

Answer: 8 electrons

Explanation:

Answer:

they all can operate on both small and large time and spatial scales by doing that one cycle uh

Explanation:

well to be honest I forgot what these mean again

Small - sand/leaves or small things could be blown away, takes not that long. Large - flood takes rocks/other things away, takes a long time.

The process by which dead tissues break down and change into more fundamental biological forms is known as decomposition. Decomposition is the first step in the process of recycling nutrients that have been used by an organism to build its body.

Deposition comes after weathering and erosion. A deposition is the third step in the formation of sedimentary rocks. It happens as a result of sediments like pebbles, mud, sand, and small rocks weathering, eroding, and moving.

Therefore, sand, leaves, or other small objects could be blown away quickly. Large - flood takes a long time and removes rocks and other objects.

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1.It is a universal solvent.

2Pure water is transparent, colourless and odourless.

3.Pure water is a poor conductor of electricity.

4.Water in a pure form has a neutral ph i.e 7 which means it is neither acidic nor basic.

Answer:

poaching

Explanation:

Answer:

The second option in the drop down menu, poaching.

Explanation:

                                                         hope it helps

Answer:

I think the youngest crust on earth would be the mid-ocean ridges

Explanation:

I hope this helps with your question!

Answer:

Compare and contrast the various layers of the atmosphere

The atmosphere has 4 layers: the troposphere that we live in near the surface of the earth; the stratosphere that houses the ozone layer; the mesosphere, a colder and lower density layer with about 0.1% of the atmosphere; and the thermosphere, the top layer, where the air is hot but very thin.

Explanation:

Answer:

The atomic nucleus is the small, dense region consisting of protons and neutrons at the center of an atom

Explanation:

Answer:

A atomic nucleus is a a region of protons and neutrons in the middle of an atom.

Answer:

Explanation:

This question is incomplete because of the absence of the graph. However, the independent variable of an experiment is the variable that is not affected by any other variable during the course of the experiment but is however intentionally or unintentionally predetermined by the researcher conducting the experiment. For example, in an experiment to determine the effect of age on blood pressure; age is the independent variable because the age class/groups of the individuals to be used can be determined by the researcher also the age cannot be affected by the pressure (the age of a person cannot change because of an increase/decrease in blood pressure).

Also, the control of an experiment is the variable/data in which other data in the same experiment are compared to. For example, in an experiment to determine the effect of a substance (such as sepin-1) on the growth of cancer cells (using a culture medium), the control can be the culture medium that was not given any substance or the culture medium that was given a pure substance of no effect like water. This means, in this control culture medium, the cancer cells will continue to grow normally while that growth will be compared with what is seen in the culture medium treated with sepin-1.

I think is D Carbon dioxide

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Answer: true

Explanation:

Answer:

all of they fill up space on each one the atoms are different but the all have atoms (solid atoms super close liquids kinda close gasses not close at all and they move alot)

Explanation:

Answer:

yeasts or other microorganisms breaking down a substance, or a state of excitement.

Explanation:

Answer:

C i think

Explanation:

Answer:

Internal fertilization is the process when the syngamy (union of male and female gamete) occurs inside the female body after insemination using copulation. In contrast, External fertilization is the syngamy outside the female body, that is in the outer environment especially in water bodies.

Explanation:

Can I have brainliest

Answer:

They are potentially reducing and reusing, if he intends to do something with the cans.

Explanation:

1. Reducing by saving cans

2. Might reuse the cans for something like art maybe, reusing

Answer:

A non central theme in biology is The study of chemical reactions.

Explanation:

The five central themes of biology are structure and function of cells, interactions between organisms, homeostasis, reproduction and genetics, and evolution.