Answer:
Mucus is a liquid in your body and it protect you from pathogens
Explanation:
This jet stream—the one that forms at the polar front—affects weather in the United States. ... This shift occurs because the entire hemisphere is cooler, so the boundary between the cold polar air and the warm southern air shifts south. As a result, the jet stream shifts toward the south in winter.
The 3 types of muscle tissue<span> are cardiac, smooth, and skeletal.
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Answer:
Explanation:
In an atom, there is a dense center known as the nucleus. It is made up of two subatomic particles: <u>protons</u> and <u>neutrons</u>. The protons have a positive charge and the neutrons have no charge, so overall the nucleus is positively charged.
The third subatomic particles, negatively charged electrons, are located around the nucleus in a cloud.
The particles in the nucleus are 
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Which patterns of life were established during the time of the Umm an-Nar culture that still exit today pleas help me I ran out of poinst:(
