The answer is A) they provide a source of energy.
If a test tube has been used, and its contents is supposed to be disposed, carefully pour the contents to the lavatory with a confirmation of a professional (as it may damage the pipelines of the sink) and ensure that there are no splashes created that can contact the human skin. Wash the test tube thoroughly and let dry.
Answer:
isometric contraction
Explanation:
An isometric contraction occurs as the muscle produces tension without changing the angle of a skeletal joint. Isometric contractions involve sarcomere shortening and increasing muscle tension, but do not move a load, as the force produced cannot overcome the resistance provided by the load.
Answer:
Cools and crystallizes
Explanation:
Igneous rock forms when magma cools and crystallizes. The process is called crystallization :)
Answer:
dear user
the answer is option no.1 protons are in the nucleus and ,with electrons and neutrons orbiting the nucleus
