Alright, so mass is a property of a physical body. During physical changes, such as acceleration, force, etc, the mass stays the same since we are not affecting its physical shape, just where it is physics wise. So yeah mass is conserved during a physical change.
(This is very confusing I'm bad at explaining things sorry)
The answer is hydrogen and oxygen
No they are lower because they don't go so high.
Answer:
Spikes are provided in the shoes of athletes so as to increase the friction and prevents from falling down.
so option C. is the answer
I think it may be A) Plant cycle
