Answer:
2
Explanation:
MA=l/h
The length is 100 and the height is 50
100/50=2
Answer: Shared
Explanation: A covalent bond involves electrons being shared between atoms.
Out of the animals listed, calves are most genetically similar to humans.
The cause of the change in insect characteristics occurred when a few survivors of the 1st spray became resistant to the insecticide. When they had offspring, those insect babies are born with the trait that made them resistant to insecticide. This occurs when the parents pass on the trait to their offspring. The end result is that the insecticide is less effective and more insects survive.
Scientists make their hypothesis first, then they test it and collect the data