B) Explanations are based on the observation, evidence, and testing
Explanation:
When iron gets in contact with oxygen (or water, which also contains oxygen) it starts giving electrons to the oxygen atoms, in a process called oxidisation, and when that occurs, iron oxide (
) is made.
Note: iron oxide is what we call rust. And, iron is so easy to rust because it usually isn't mixed with any other protective metals or covered in protective films.
Hope it helped,
BiologiaMagister
Answer:
Là những biến đổi số lượng xảy ra ở một hoặc một số cặp nhiễm sắc thể hoặc toàn bộ nhiễm sắc thể của mỗi loài. Đột biến nhiễm sắc thể bao gồm 2 loại:
+ Đột biến cấu trúc nhiễm sắc thể.
+ Đột biến số lượng nhiễm sắc thể.
Explanation:
A=
In the nature there are four fundamental forces, namely nuclear force, electromagnetic force, weak force, and gravitational force. These forces are arranged with respect to their strengths in descending order.
The nuclear forces are of greater strengths.
These bind up the protons and the neutrons in an atom together. The nuclear forces are strong enough to combine the quarks that form the nucleons.
B= The weak forces of the interaction are the forces that are short ranged and cause the instability of the nucleus. These are 1/10^5 times of the nuclear forces.
C= The electromagnetic forces are the forces that which combine the atoms and the molecules that intend form the ordinary matter. The electromagnetic forces are 1/10^5times of the nuclear forces.
D= The gravitational forces are 1/10^5 times of the nuclear force.
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Answer:
A couple of homologous chromosomes, or homologs, are a set of one maternal and one paternal chromosome that pair up with each other inside a cell during fertilization.
Explanation:
