One type of atom, such as hydrogen is called an element. An element is a pure substance, made up of only one type of atom. You can find the elements on the periodic table of elements, where they are listed.
Answer:
Millipede
Explanation:
1. It has more than 8 legs, so go to Step 3.
3. It has two pairs of legs on each body segment, so it is a Millipede.
Answer:
They support unique ecosystems and their communities of organisms in the deep ocean. They help regulate ocean chemistry and circulation. They also provide a laboratory in which scientists can study changes to the ocean and how life on Earth could have begun.
Explanation: hey are old, preserve a lot of old organisms, and help the ecosystem
