The first question is observation, you can't really collect samples on developing muscles or do any of the other things listed
for the second question the answer can vary from B to C...it is important to asses before and after to see how much was actually learned...depending on what the learning experience is, you may SOMETIMES want to asses in between to insure the child or adult is actually retaining information.
DO NOT eat anything except for vegetables because of being a vegetarian
DNA helps scientists to better classify organisms is because each organ has a specific kind of DNA. For an example, brains and hearts have many small types of RNA. So if a scientists see some RNA they know that its a heart or a brain.
Answer:
11111.111
Explanation:
Same to you! Thank you and have a great day!
The answer is a school counselor, hoped this helped