There have been 5 Mass Extinctions throughout Earth's history.
Crickets know when we approach because they are sensitive to vibrations and noises. Since most predators are active during daylight, crickets chirp at night. The slightest vibration might mean an approaching threat, so the cricket goes quiet to throw the predator off its trail
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Your answer should be ATP is a stored form of energy.
You see, Think of it as the “energy currency” of the cell. If a cell needs to spend energy to accomplish a task, the ATP molecule splits off one of its three phosphates, becoming ADP (Adenosine di-phosphate) + phosphate. The energy holding that phosphate molecule is now released and available to do work for the cell. Hope this works!
The stem of a plant grows_________from the pith. <u>outwards</u> or inwards
Answer:
A hydrogen atom is an atom of the chemical element hydrogen.Carbon is a chemical element with the symbol C and atomic number 6. It is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds.
In chemistry, an element is a pure substance consisting only of atoms that all have the same numbers of protons in their atomic nuclei.
Explanation: