Can anyone help me fast with my homework?? ​

Can Anyone Help Me Fast With My Homework??

Answers

Answer 1

Answer:

A pH scale measures how acidic or basic a substance is.

Explanation:

The pH measures the H+ concentration in a substance. The more lower the pH, the more acidic the substance, the higher the pH, the more basic the substance. It measures from 0-14, with 7 being neutral. Anything less than 7, acidic. Anything above 7, basic.

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Related Questions

What are two types of evidence that have helped biologists determine the ancestors of modern humans

Answers

Answer:

The evolution of modern humans consisted of fossils, direct observation, anatomy, and molecular biology.

why are onion cells yellow?

Answers

Answer:

I believe they are actually white but onions can be yellow when they are old or when they turn bad

PLEASE ANSWER ASAP A certain plant tissue, typically found in the stem and in the hard outer covering of seeds, contains very thick, rigid cells. Which of the following correctly identifies this tissue and its function?


A. meristem tissue; gamete formation

B. dermal tissue; structural support

C. ground tissue; production of sugar

D. vascular tissue, transportation of materials

Answers

Answer:

ground tissue;production of sugar

Are there any species that you know of that are now extinct? How might the world be different if they still existed on Earth?

Answers

Answer:

the pinta giant tortoise

the ecosystem would be healthier in the area they come from

Explanation:

giant tortoises perform many critical roles in shaping healthy ecosystems, such as dispersing seeds of native plants and creating open pathways where other animals and plants can thrive.

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The amount of Cytosine plus Guanine is 40%. What would be the amount of Adenine?

Answers

Answer:

30%

Explanation:

Considering that the amount of Cytosine added to the amount of Guanine is 40%, that explains that Cytosine and Guanine each equal to 20%.

Cytosine: 20%Guanine: 20%

Now, the remaining bit is 60%. Since Adenine and Thymine both equal the same, that would mean: 60/2 = 30.

Adenine: 30%Thymine: 30%

Cytosine and Guanine pair together and will always be equal to one another. The same goes for Adenine and Thymine. (A=T, C=G)

Always remember that you want it to total up to 100% at the end.

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Answers

Answer:

All cells come from existing cells

Explanation:

only answer that is part of the cell theory as far as i know

Please answer as soon as you can

Answers

Answer:

Differences in air temperature cause movement in the air, which creates pressure.

The radiant energy from the Sun is transferred to the atmosphere, causing air movement. The air becomes less dense, so it rises.

As the air falls, it becomes more dense and cools to Earth’s surface.

The higher the latitude, the colder the climate; the lower the latitude, the hotter the climate.


1
A type of mountain formed when magma collects beneath an overlying rock layer, forcing the layer upward
into a blister-like structure is known as a

Answers

type of mountain formed when magma collects beneath an overlying rock layer, forcing the layer upward into a blister-like structure is known as a                     .

-domed mountain

A type of mountain formed when magma collects beneath an overlying rock layer, forcing the layer upward into a blister-like structure is known as a domed mountain.

What is magma?

Magma has been defined as the molten or the semi-molten material which is natural and from magma all igneous rocks are formed. Beneath the surface of the earth magma has been  found and there are very proofs of magmatism and it has been observed on the other terrestrial planets as well as some of the natural satellites.

Sedimentary rocks are generally made up from directly heat and these are formed when deposition or accumulation of particles that are organic or minerals at the surface of Earth, later followed by the process of cementation. The main feature of sedimentary rock is that they are formed in multiple layers.The rocks are made up of more than one mineral and the size of some rocks are small or big it depends upon their constituents.

Therefore, A type of mountain formed when magma collects beneath an overlying rock layer, forcing the layer upward into a blister-like structure is known as a domed mountain.

Learn more about magma here:

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PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA 40 POINTS* DONT SKIP :(( .!

Answers

Answer:

Its the 3 one

Answer:

I'm pretty sure the answer is that they are in the same biological classification

Explanation:

this is the answer because they evolved from a common ancestor.

7. Challenge yourself: You have already learned that mutation is one source of
variation in a population. Based on what you have just seen, what is a second
source of variation?
(I just need more information or explanation) please

Answers

Answer:

Natural selection would be the other source because organisms that have a beneficial trait will live, but organisms that do not have a beneficial trait might die. So the organsims that do survive will reproduce and pass on those traits to their offspring. Eventually all the organisms that do not have a beneficial trait will die out, leaving most of the population having that beneficial trait.

PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA 40 POINTS* DONT SKIP :(( .!

Answers

Answer:

B. Evidence from rock layers, fossils, and ice cores.

Explanation:

Right i believe

Answer:

Its the 4th one. I think. Its the 2nd or third but can't tell for sure. When I searched it, the result came as followed: "Plate tectonics shift the continents, raise mountains and move the ocean floor." So yeah. Hope this somewhat helps.

Explanation:

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