2. Rafael broke a small twig off a tree and threw it in the lake. It floated away. If he could somehow push the whole tree into the lake and it floated, which of the following would explain why it floats?
A. The temperature of the tree is less than the temperature of the water.
B. The volume of the tree is less than the volume of the water.
C. The mass of the tree is less than the mass of the water.
D. The density of the tree is less than the density of the water.
Please write also how u got the answer

it is D: The density of the tree is less than the density of the water

Explanation:

The tree floats because it is less dense than then water. Trees have pockets of air that makes them less dense than water, like ice.

Explanation:

To graze means to scrape the skin of so as to break the surface but cause little or no bleeding. Troughed refers to something deteriorated by use and caused to have a long, narrow cut. Assimilate means to take in information or ideas and understand fully, while confide implies telling someone secret while trusting them not to repeat it to others.