Its d. they would change color hope it help
Because they have bones. They are called vertebrates because vertebra are the sections that make up the backbone of all these animals.
Common Examples of Diffusion. You can smell perfume because it diffuses into the air and makes its way into your nose. A teabag placed in a cup of hot water will diffuse into the water. Placing food coloring in a liquid will diffuse the color.
2 is the answer;
1 - alpha has 2 protons and two neutrons and no electrons, and they have a positive charge. Beta particles have high energy electrons and are negative charged.
3 - Gamma radiation is.
4 - Of course not. They don't have 2p and 2n in its nucleus as Helium does.