Answer:
element and compund
Explanation:
an element is the most basic substance that cannot be decomposed into anything simpler
an compound is a substance that is formed when two or more elements combine in constant ratio chemically
I honestly think that a or d would be the best options. I would start with D and if that doesn't work try a.
Answer:
B . The hinge joint of the elbow.
Explanation:
Uniaxial joint allows for motion in a single phase.
<span>Only a single amino acid could change, because the reading frame is unaffected</span>
it would be blood hope this hrlped
