I know that they are hunted with Whale oil
Answer:
Heterozygous is the answer
10.Which of the following is a tool that is used by astronomers to study radiation ?
B) A ground based telescope.
11.Which of the following is evidence of earth's revolution ?
D.constellation movement.
12.Which of the following forms of radiation can be shielded by earth atmosphere ?
A.Gamma rays.
Good luck! :)
False as there can be negative stimuli as well