The answer is a because if you look at the bone structure in each animal, you would notice how similar they look to one another, and all of the animals above use their legs for the same function which is walking which can suggest that all had a common ancestor.
hopefully this helps
Answer:
The solid layer making up the surface of the Earth is the crust
Explanation:
That should be sensitivity. it's what we react to the environment. we can detect what is happening in the environment.
there are 7 different characteristic of living things, and sensitivity is one of them
At the current rate of uranium consumption with conventional reactors, the world supply of viable uranium, which is the most common nuclear fuel, will last for 80 years. Scaling consumption up to 15 TW, the viable uranium supply will last for less than 5 years