The answer is a because tjhey do move at a molecular movemn
Answer:
A hypothesis is a basically a theory proposed to a subject or refrence to an act with limited evidences.
Answer:
41.4 g
41.4 cm³
1.08695 g/cm³
Explanation:
= Density of water = 1 g/cm³
Mass of water displaced will be the difference of the

Mass of water displaced is 41.4 g
Density is given by

So, volume of bone is 41.4 cm³
Average density of the bird is given by

The average density is 1.08695 g/cm³
Answer:
a.
b.
Explanation:
We are given that




a.We have to find the angle


b. We have to find the speed 
According to law of conservation of momentum



<span>The number in front is the number of molecules (or atoms) taking part in the (balanced) chemical reaction equation.</span>