Greater body size and facial gracility documented in Homo erectus are likely related to changes in tool technology and increasing access to meat and other proteins. Homo erectus walked just like a modern human, with traits like double arches and adducted big toe, they had a cranial capacity range from 650 cc to 1,200 cc.
Answer:
I would say they have moving electric and magnetic fields.
Explanation:
CH3- methyl group
COOH- carboxyl group
H2O- just water
NH2- amino goup
OH- hydroxyl group
the answer is H2O
Explanation:
Food gives us energy and builds our body. If we do not eat regularly, we will become weak.