Answer:
4
Explanation:
Because all the living things need carbon to make protein,carbohydrates,lipids
Answer:
One reason is that there was too much pressure in the bottom of the ocean, from all the water pressing together.
hope this helps :)
Explanation:
Because their foots is shaped like a spade
Helium does not react with any other substances, thus the substance’s internal structure is never greatly affected and thus helium cannot have any chemical properties.
As a rule of thumb, in order to improve the reliability and accuracy of an experiment, it is best if the experiment is repeated several times. The increased number of trials ensures that the readings observed have minimal random error.
