I do not know your choices but heres what i think....
sound waves travel faster thru solids due to their tight bonding
then liquids are second
then gas.
hope this help,if not the real answer will be in comments :)
Passes laws to protect the environment
First step the biologist needs to make an observation in which to create a hypothesis.
Answer:
<em>The correct option is C) 1 only</em>
Explanation:
It would be necessary to ask from the scientist about the group of people on which he performed his experiment because it might be that certain other factor was the influence for the change in the requirement of Vitamin E, It might be that the people of that specific area or country might have a Vitamin E deficiency due to which there requirement was more for Vitamin E. Or there might be any other environmental or genetic factor influencing the change.
