A) The data to support his hypothesis, so he should investigate if the same change happens in the density of solid water.
<span>Sponges possess the defense mechanism of releasing toxins that make a predator</span>
Answer:
Something that is not real is a model
Explanation:
For example a skelton model a sekelton model is not an actual real bone skelton it is a plastic skelton.
Mammary glands are found in the female breasts. These glands are responsible for lactation or the production of milk. The production of milk only starts after childbirth.
