Answer:
a
. Fish need 10 ml of water purifier to survive.
Explanation:
Fish need 10 ml of water purifier to survive because the data of 10 ml and 20 ml purifier is the same so it is recommended to use 10 ml purifier. First the data was same but by recording next week data, it shows slightly increase in the value of tank 2 while in the last week, both has the same value so we can concluded that by using 10 ml purifier is enough for the fish to survive.
Storing nutrition and keeping warm, A good example would be walruses since they have no fur to keep warm
Answer:
I think that it's A.
Explanation:
It's not D, because A & C contrast each other.
According to the cephalocaudal trend, the head develops more rapidly during the prenatal period than the lower part of the body.
<h3>What is Cephalocaudal trend?</h3>
This refers to the pattern of growth during the prenatal stage in which the head grows more than the other parts of the body.
This is therefore the reason why option B was chosen as the most appropriate choice.
Read more about Cephalocaudal trend here brainly.com/question/9562393