Answer:
(A) fossil is the most useful.
It serves as an index fossil. The seashell is a great index fossil because it only appears in the sandstone layer in multiple locations in the same layer of time.
Explanation:
Index fossils are fossils used to define and identify geologic periods. Index fossils must have a short vertical range, wide geographic distribution and rapid evolutionary trends.
It will be 4 the degree is basically the highest/greatest exponent hopefully this is the right anwser!!
What? No picture or no question.
Answer:
muscle contraction
Explanation:
A muscle contraction is the reaction of tension-generating sites within muscle fibers. This occurs during the length of time of the muscle, generating a force at the origin.
Answer:
neutron is greater than both of them. but if youre comparing only those two then Protons are greater
Explanation: