Answer:
The answer is Atom.
Explanation:
The atom is the smallest constituent unit of matter that has the properties of a chemical element and that it is not possible to divide by chemical processes. The atom is formed by a nucleus with protons and neutrons and several orbital electrons (subatomic particles); whose number varies according to the chemical element. Atoms combine to form molecules that then interact to form solids, liquids and gases.
Bending over and touching your toes describes flexion in reference to your intervertebral discs.
The correct option is A.
Puppies normally growl when playing; this type of growling is not aggressive. The growling that are made in such situations indicate the pleasure of the puppies as they are playing together, such growl does not result in biting or any other injuries.
The answer is Nuclear envelope.
Basically, the Nuclear envelope is an outer shell that protects the cell (which includes the dna) from any harmful things.
If this is a true or false question, then the answer is true.
