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irinina [24]
3 years ago
5

1pt What is a force?

Biology
2 answers:
Ipatiy [6.2K]3 years ago
5 0
I think the answer is c
Leokris [45]3 years ago
5 0

Answer:

C. A push or a pull. HAVE A GOOD DAY oop

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1 )Which of the following is a possible formula unit? PbO Li2B Al2Pb3 ClO
Nataly_w [17]
1. PbO is a possible formula units, since O has charge of 2- and Pb can have a charge of 2+ or 4+, if it uses the 2+ ion, the charges will balance out to form PbO. Li+ and B(3-) would have Li3B, Al(3+) and Pb(2+) are both positive charges and would not balance out, Cl- and O(2-) are both negative charges and would not balance out.

2. Iodine is a halogen, so it has a charge of -1. Calcium is an alkaline earth metal in Group 2, so it has a charge of 2+. Therefore, if they were to form a formula unit, the resultant would be CaI2 (2 iodine atoms of 1- charge are needed to balance out the 2+ charge on the calcium atom).

3. Strontium is an alkaline earth metal with a charge of 2+, while phosphorus has a charge of 3-. Therefore, to balance the charges out, we would need 3 atoms of strontium and 2 atoms of phosphorus. This would give the formula unit of Sr3P2.
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3 years ago
What's the definition of science
Reil [10]
Science<span> is the study of the nature and behavior of natural things and the knowledge that we obtain about them
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What do climate change (see Concept 1.1 and Concept 3.2) and ocean acidification have in common?
leonid [27]

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They are caused by an increase in global temperatures

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As the oceans become warmer, they are able to absorb more carbon dioxide from the atmosphere. This causes these water to have a higher acidity than normal because of the formation of carbonic acid.

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compare the four kinds of tissues connective tissue, epithelial tissue, muscle tissue, and nervous tissue. hi and also if you do
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<h3><u>Connective tissue:</u></h3>

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<h3><u>Epithelial tissue:</u></h3>

It covers the outside of the body like a veil. located in the outermost part of the body. Protects the body against microbes and infections.

<h3><u>Muscle tissue:</u></h3>

It is located in the joint areas and forms the support and movement system. It allows us to make bodily movements.

<h3><u>Nervous tissue:</u></h3>

It is the fastest communication tissue. It allows us to feel pain and the sense of touch. It is impossible to repair this tissue after it is damaged. It causes paralysis. It is very important as it plays a role in the activity of neural transmission.

3 0
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