Answer:
Atoms that lose electrons acquire a positive charge as a result because they are left with fewer negatively charged electrons to balance the positive charges of the protons in the nucleus. Positively charged ions are called cations. Most metals become cations when they make ionic compounds.
Explanation:
true or false are acts like a blanket that keeps the earth warm
Answer:
True
Explanation:
The air, aka the atmosphere, is like a protective blanket around the Earth that keeps it warm amongst other things.
Which of the following is the best description of the cane toad’s introduction to Australia?
a.
It was a successful biological control mechanism for cane beetles.
b.
It was a failed biological control mechanism for cane beetles.
c.
It was a successful method for reducing freshwater crocodile populations.
d.
It was a failed attempt to eradicate South American fire ants.
Answer:
b.......................
Answer: The correct answer if B)
B) it was a failed biological control mechanism for canned beetles
Explanation:
I just took the test
A blue whale swims in the ocean. Which of Earth spheres are represented in this scenario?
O hydrosphere and biosphere
O atmosphere and lithosphere
O lithosphere and hydrosphere
O atmosphere and biosphere
Answer:
I believe the correct option is ''O hydrosphere and biosphere''
Explanation:
''A blue whale swims in the ocean.''
breaking up the sentence, ''A blue whale''. That is apart of the Biosphere as it includes all living orginisms, including said blue whale.
''Swims In the Ocean'', the Ocean is made up of the earths water, which sudgests the Hyrosphere as it is all waters on the earth's surface.
true or false the higher the altitude, the greater the air pressure
This is true. The atmosphere gets tighter as you go up.
CAN SOMEONE HELP!!
1.) Which process is shown in the model?
A. chromosome duplication
B. DNA formation
C. meiosis
D. mitosis
How does the mean speed of the water molecules change as they are heated
The average speed of water molecules increases as they are heated, it is due to kinetic energy.
How does water molecule changes due to heating?When change in temperature, there is also a change in the kinetic energy of the molecule. If an increase in temperature, the kinetic energy also increases. Thus, the movement of water molecules increases as we heat it up.
If molecules are heated up, it changes the kinetic energy and increases the collision and diffusion rate of the molecule.
When any substance gets heated it gains thermal energy and if cooled it losses thermal energy. If a molecule gets kinetic energy or a water potential is higher than the concentration of water in a system.
Therefore, the mean speed of the water molecules increases as they are heated.
Learn more about water molecules, here:
https://brainly.com/question/28458730
#SPJ2
Which of the following is NOT a main component of an amino acid structure?
a. lone hydrogen
b. side R variant group
c. carboxyl group
d. phosphate group
e. amino group
The answer is D) phosphate group.
Amino structures do not have a phosphate group.
Hope this helped. :)
What happens to the amount of light as the moon travels from the new moon phase to the full moon phase?
Explanation:
Between the new and full Moon, the amount of Moon we see grows — or waxes from its right side toward its left side. As it passes the full Moon stage, the amount of illumination decreases — or wanes — from right to left. ... No matter where on Earth an observer is, however, the phases of the Moon occur at the same time.
[tex]\huge\bold\pink{Answer:-}[/tex]
Moon phases represent the names given to points in its orbit around Earth. Each phase lasts for only an instant as the moon constantly moves. To the naked eye, the full moon lasts about three days, but in reality, it is a full moon for just an instant before it begins to wane. The moon takes just under one month -- an average of 29 1/2 days -- to complete its phases.
Phases of the Moon:-The moon has eight phases: new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, last quarter and waning crescent. But it is not as simple as dividing 29 1/2 by eight to find out how long each phase lasts. The fraction by which the moon is illuminated steadily increases or decreases at all times.
ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘꜱ❤10. Overall, a building up reaction.
(5 Points)
Photosynthesis
Respiration
Both
Which of the following fossil types is best described as forming when minerals replace all or part of an organism's body?
A. a mold
B. a petrified fossil
C. a cast
D. a trace fossil
Answer:
A cast
Explanation:
Answer:
C. a cast
Explanation:
The _________is the basic unit of structure of all living organisms.
Answer:
Cells
Explanation:
The cell is the basic structural and functional unit of life. Cells are independent, single-celled organisms that take in nutrients, excrete wastes, detect and respond to their environment, move, breathe, grow, and reproduce.
Explain why streets and highways have speed limits rather than
velocity limits. Because
Answer:
Velocity is a vector, it has magnitude and direction. They have speed limits rather than velocity because in whatever direction you go, you should have limited speed.
Which would describe a situation in which the Doppler effect is occurring? Sheila notices an increase in volume as an object approaches her. Brad hears an object increase in loudness as it is vibrated at its natural frequency. Judy notices an increase in intensity as an object is vibrated at its natural frequency. Damian hears a change in pitch as an object moves past him.
Answer:
Damian
Explanation:
The Doppler Effect is hard for me to put into words, but a common example is that when you stand still on the side of the road, you notice how the pitch of a fire engine's siren changes from when it's coming towards you vs driving away.
Answer:
Damian
Explanation:
what is the caloric value of a carbohydrate
Answer:
4 kcal per gram of carbohydrate
Answer:
4 kcal per gram of carbohydrate
Explanation:
FAST IM GETTING TIMED BRAINLIEST
The following is an example of convection, conduction or radiation;The attic is really warm in the summer and the basement is cold
Conduction
Convection
Radiation
Answer:
The answer is Covection.
Explanation:
Convection current occurs where hot / warm air rises and cold air drops and replace it.
Answer:
I Would say Radiation.
Explanation:
The Attic is reciving radiation from the sun while the basement is not
(it could also be conduction, but im positive on radiation)
A group of tissues that join together for a particular function are known as:
A. Cell
B. Organ
C. Organism
D. Organelle
Answer:
Organ
Explanation:
Answer:
Organ
Explanation:
anyone know the answer??
Answer:
it looks most similar to the cow
Explanation: just cause it looks like the hog, but slightly fatter
Answer:
I think it's the calf, but I am not sure.
Explanation:
I say this because:
1) They look very alike
2) They both seem like they have common features
Therefore, I think the answer is calf but I am not sure.
Hope this helps! :D
What is protein pump?
IN YOUR OWN WORDS.
Can you help me i wil give you a branlist and its science
Answer:
30 millileters of liquid
Why does the earth have different layers?
Explanation:
because at is formed,the lighter part floats on the surface and the really heavy part (like iron and nickel in the core)sank to the middle
HELPP ILL MARK BRAINLIEST!!!
Answer:
I think the answer would be B. Volcanic Islands
Explanation:
In places where convection currents rise up towards the crust's surface, tectonic plates move away from each other in a process known as seafloor spreading. Hot magma rises to the crust's surface, cracks develop in the ocean floor, and the magma pushes up and out to form mid-ocean ridges.
Hope this helps! :D
Answer:
I am pretty sure that It is B
Explanation:
i would like brainliest cause i need 2 more lol
True or False: The nervous system can move muscles without us even
thinking about it.
Humans always have a negative impact on the environment.
Please select the best answer from the choices provided
Т
F
Answer:the answer is false
Explanation:not everyone bad
Which of the following is NOT true of carbon?
A. It is present in all organic compounds.
B. It is a relatively small atom.
C. It will do anything to fill up its electron shell.
D. It can bond with multiple other atoms at once.
Anybody know?
Answer:
it is b
Explanation:
The characteristic which is not true of carbon is: B. It is a relatively small atom.
Carbon can be defined as a non-metallic and tetravalent chemical element represented with the chemical symbol C and it has an atomic number (number of protons) of six (6). This ultimately implies that, carbon is found in Group 6 of the periodic table because of its six (6) valence electrons, that are found in the outermost shell of its atomic nucleus.
Some of the characteristics of carbon include the following:
It has the ability to form a covalent bond with multiple other atoms at once.It is found in all organic compounds.It does anything to fill up its electron shell.It is a relatively large atom, which allows it bond with multiple other atoms.Read more carbon on here: https://brainly.com/question/19954749
Help needed❤️ 12 points
Which of the following
structures allows glucose
molecules to move through
the process of facilitated
diffusion?
A. peroxisomes
B. protein channels
C. protein pumps
Answer:
it would be b
Explanation:
becaue you have to have a protain chaneel to have proteins
True or False: Water molecules, as a liquid, are very spread apart because of their attractions for one another.
Answer:
i think ; true
Explanation:
Answer:
False
Explanation:
Each water molecule attracts other water molecules because of the opposite charges between them, forming hydrogen bond.
Explain how traits are passed down in an organism, such as a dog.
Answer:
Heredity, also called inheritance or biological inheritance, is the passing on of traits from parents to their offspring; either through asexual reproduction or sexual reproduction, the offspring cells or organisms acquire the genetic information of their parents.
I don’t understand how to do this, please help..
A plasma membrane and a cell wall _____.
have the same structure and different functions
have different structures and the same function
are two names for the same thing
have different structures and different functions
I'm pretty sure its 'have different structures and different functions' because a plasma membrane is also known as a cell membrane and it controls what enters or exits the cell whilst the cell wall provides structural support. They are 2 different structure with different functions.
Hope this helps! :)
Answer:
They have different structures and different functions! :)
for a type of organism to survive,all organism of there type must reproduce true or false
Answer:
true
Explanation:
All living organisms share several key characteristics or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and energy processing. When viewed together, these characteristics serve to define life.