Answer:
The complement system is a <u>biological</u> barrier of the immune system.
Explanation:The answer is biological for edgeunity
The answer is <span> a strong nuclear force between an atom’s protons and neutrons holds together the atom’s nucleus.
Electromagnetic forces are the cause why like charges repel and vice versa, why unlike charges attract. For an atom's protons to hold together and not to fly apart, there must be a force that is stronger than the electromagnetic force. Therefore, the </span><span>strong nuclear force between an atom’s protons and neutrons holds together the atom’s nucleus. </span>
Not sure what you are asking :)
Planting plants would increase how much carbon dioxide they can take in as a whole, reducing the amount of carbon dioxide that goes into the atmosphere and therefore counteracting/minimalising our affecting the carbon cycle.
Well considering birds follow humane rules, their selection and environment around them being thriving could effect their songs in a positive way. While a bird with a low selection of environmental stuff around them would effect their songs in a bad way giving off a more down manner.
