D, Mucous membranes are not within the body, thus they are the first of all the options that would encounter pathogens.
Answer:
So if a wave slows down, its wavelength will decrease. ... Part of the wave travels faster for longer causing the wave to turn. The wave is slower but the wavelength is shorter meaning frequency remains the same.
Explanation:
Answer:
The nucleus contains nearly all of the cell's DNA, surrounded by a network of fibrous intermediate filaments and enveloped in a double membrane called the "nuclear envelope". The nuclear envelope separates the fluid inside the nucleus, called the nucleoplasm, from the rest of the cell.
hope that helps<3
Answer:
Cow
noun
(properly) An adult female of the species Bos taurus that has calved.
Pig
noun
Any of several intelligent mammalian species of the genus Sus, having cloven hooves, bristles and a nose adapted for digging; especially the domesticated animal Sus scrofa.
‘The man kept a pen with two pigs that he fed from carrots to cabbage.’;
Cow
noun
(formerly inexact but now common) Any member of the species Bos taurus regardless of sex or age, including bulls and calves.
Pig
noun
(specifically) A young swine, a piglet contrasted with a hog, an adult swine.
Cow
noun
(uncommon) Beef: the meat of cattle as from eating pig
