Answer:the resistance that one surface or object encounters when moving over another.
Explanation:it is easy!
Because their foots is shaped like a spade
B because when ice melts it doesn't stay in the same form
it uses this energy to survive and to hunt for more energy
Answer: how a virus differs from a cell...
It doesn’t contain any kind of cytoplasm, cell wall, cell membrane, ribosome or mitochondrion.
It doesn’t have any sort of metabolic enzyme of its own. So, no nutrition system is seen.
It can’t reproduce itself, without any help of the host living cell.
It can be crystallized, centrifuged or diffused.
It doesn’t have any sort of somatic development.
Chemically, its just a fusion of protein and nucleic acid. So, this characters differ a Virus from a living cell.
Explanation: