The mutation must occur in the egg cell
The first one is epidermis, the second one is the dermis i believe, I hope this helps
When climbing a hill or mountain, there are different condions which the body reacts to, first: the body begins to exercise, since it must carry all our weight when climbing up a hill, this generates that the heart accelerates and pumps the blood more quickly so that it reaches our whole body out, and the second one, is that at a higher height, less oxygen, if already, our body comes with the heart shaken by the physical exercise, now it has to accelerate your breathing to get the necessary oxygen for the blood and the body, these two things make us breathe heavily.
Answer:
Firstly matter is definite as anything that has a mass and occupies space. Does air has those qualities? Yes. air contains of molecules and makes up the mass component and have you ever try compressing air? From that you knowa it occurs space
So what must be true is that it must have mass and occupy space
Answer:
Done!
Explanation:
There is not a problem with the model. The atoms are tightly compacted to get, so if you were to cut it in half the split would also be smooth and straight. For example, a grain of salt is rough on the outside, but when you cut it in half the split is smooth. It is the same with the atoms in the model.