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3 years ago

Who first proposed the principle of the heliocentric theory?

2 answers:

8 0

Hello Mlevintova, Who first proposed the principle of the heliocentric theory, Aristarchus of Samos was an ancient Greek astronomer and mathematician who presented the first known model that placed the Sun at the center of the known universe with the Earth revolving around it.

Nadya [2.5K]3 years ago

7 0

The answer would be Nicolaus Copernicus.

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Native mammals found in Australia are marsupials. There are no naturally occurring placental mammals, which suggests that Austra

Reptile [31]

I’m not certain, but I believe it is continental drift

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3 years ago

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Diferentiate between interphase and M phase

Sergeeva-Olga [200]

Interphase is the cell grows and makes a copy of its DNA's and in m phase the cell separates the DNA's and divide its cytoplasm, forming two new cells

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3 years ago

Describe what needs to occur in order for a metamorphic rock to form.

katovenus [111]

Answer:

Any sort of prexisting rock whether sedimentary, igneous, or even metamorphic rock must change under extreme conditions like extreme heat or pressure.

Explanation:

An igneous rock is a rock that has been created via cooling of magma.

A sedimentary rock is formed from sediments, whether they be natural like seashells, or other pieces of older rocks that have worn away. usually formed under pressure.

A metamorphic rock is a rock that's changed, because it was put under extreme pressure or exposed to extreme heat.

Think of the part morphic in the word metamorphic-it literally means that it morphed or that it changed dramatically.

There are two ways for a rock to become metamorphic under extreme pressure or extreme heat. and there are two types of metamorphic rocks, contact metamorphism and regional metamorphism.

Those mean pretty much exactly what they say.

If you have any more questions, ask, but i think I covered the most important parts of the answer.

best of luck

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3 years ago

Which of the following is not a sign of possible pest infestation?

Brrunno [24]

The right answer is smelly garbage.

Infestation is the penetration into the body of a parasite whose nature is not microbial.

smelly garbage is not synonymous of infestation, because the olfactory system only detected smelly metabolites of these microorganisms. This does not necessarily mean that the microorganism has managed to penetrate the body.

By cons other proposals are signs and tools for infestation (torn packaging with food leaking out, dead insect bodysuits, feathers, and fur).

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3 years ago

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Which molecules are not able to permeate the cell membrane

max2010maxim [7]

Answer:

Small uncharged polar molecules, such as H2O, also can diffuse through membranes, but larger uncharged polar molecules, such as glucose, cannot. Charged molecules, such as ions, are unable to diffuse through a phospholipid bilayer regardless of size; even H+ ions cannot cross a lipid bilayer by free diffusion.

Explanation:

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3 years ago