Energy consumption
/ getting and consuming energy
Small veins
they collect CO2 and other waste which flows int the veins
Answer:
D). hydrogen and oxygen
Explanation:
A water molecule consists of three atoms; an oxygen atom and two hydrogen atoms, which are bond together like little magnets. The atoms consist of matter that has a nucleus in the centre. The difference between atoms is expressed by atomic numbers.
Answer:
They are need in small quantities is false
Explanation:
B. Movement because not all living things are able to move.