Definitely B. Chemicals are used to help clean difficulties items/objects
Answer:
Muscles move body parts by contracting and then relaxing. Muscles can pull bones, but they can't push them back to the original position. So they work in pairs of flexors and extensors. The flexor contracts to bend a limb at a joint.
Explanation:
Hope it helps
Answer:
i belive its c
Explanation:
Atoms of group 18 elements have eight valence electrons (or two in the case of helium). These elements already have a full outer energy level, so they are very stable. As a result, they rarely if ever react with other elements. Therefore, it is very reactive and gives up electrons in chemical reactions.
The answer is D. This is because liquids take up the shape of the container they are in, so it is never definite. Where as solids stay the same shape.
Answer:
Explanation:
find solution in the attached below
