Answer: Nucleus
Explanation: The Nucleus is at the center of the atom and consists of protons and neutrons that make up most of the mass of an atom.
Answer:Those meteors are burning up in the mesosphere. The meteors make it through the exosphere and thermosphere without much trouble because those layers don't have much air. But when they hit the mesosphere, there are enough gases to cause friction and create heat.
Explanation:
Answer:
Cells are small in order to get pass barriers. In particular, it has a small surface area to volume racio, which in turn allows it to carry more materials.
Explanation:
If cells are way to massive, it will require much more more energy to move the cell, the cell would not be able to remove all of its waste, and it would not get enough nutrients to survive
Explanation:
Sorry hindi ko po alam hehe
Answer:
Option A is the answer
Explanation: I took the test