Weathering breaks down and loosens the surface minerals of rock so they can be transported away by agents of erosion such as water, wind and ice. There are two types of weathering: mechanical and chemical.
Gene mutations can be passed on to future generations and drive natural selection. ... Gene mutations can be helpful, harmful, or neutral for an organism's survival. Only mutations that are helpful in the organism's environment would influence its survival and reproduction
Correct answer: Adequate intake
It is a recommended intake value that given based on experimentally determined approximation or the estimates of the nutrients intake by a group of healthy people.
It becomes an important guide in the absence of enough scientific evidence in order to establish an estimated average requirement. Adequate intake of a nutrient is determined after a lot of observation and research.
Hence, the correct answer would be Adequate intake.
A homologous<span> structure is an organ, system, or body part that shares a common ancestry in multiple organisms. So the Structure is said to be C) Homologous. Hope this Helps</span>