Answer:
Precambrian era is the longest era in the Earth's history. It began 4600 million years ago and ended about 540 million years ago.
Explanation:
Answer:
Complete Tetanus
Explanation:
The nerve stimulus arrives at the fiber at such a rapid pace that there is no decrease in tension between stimuli detected. This results in a tectanic contraction that is fused (complete) . Thus the muscle fiber does not relax at all due to this complete tetanus.
Intramuscular injections are absorbed faster than subcutaneous injections. This is because muscle tissue has a greater blood supply than the tissue just under the skin. Muscle tissue can also hold a larger volume of medication than subcutaneous tissue.
the animals eating the plants would need to eat other plants