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ss7ja [257]
3 years ago
6

An increased greenhouse effect and the depletion of the ozone layer are two examples of

Biology
2 answers:
Ipatiy [6.2K]3 years ago
4 0

I believe that they are two examples of human activities.

Karo-lina-s [1.5K]3 years ago
3 0

Human activities........

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Look at the ocean system below.
shepuryov [24]

Answer:

All the other animals that depend on it will go down

Explanation:

Then all the animals will be fighting over food and then it will become survival of the fittest

4 0
3 years ago
As a metal, lithium will lose electrons to have a ful valence shell. How manyvalence electrons will it lose to have full valence
Free_Kalibri [48]

Answer:

It will lose 1 electron

Its charge will be 1+, or simply (+)

Explanation:

Lithium it's located in the group one of the periodic table, the Alkali, and by rule, all Alkali are always gonna loose one electron during a chemical reaction to form a positive ion.

The charge is explained by the fact that, if lithium looses one electron, then it wi have less number of electrons than protons, meaning that, if there's a higher number of protons (positive charge), then the charge will be positive. And since the atom loosed one electron then its charge will be 1+

For example, during a chemical reaction calcium is always gonna loose 2 electrons, so its charge's gonna be Ca2+

6 0
3 years ago
How do cells make up living organisms?
Lorico [155]

Answer:

multiple types of cells that are connected make up all living organisms

Explanation:

since biology explains the definition of cells, being the structural unit of all living organisms, it qualifies the statement that multiple types of cells connect to make up living organisms.

7 0
3 years ago
Which of the below is not a function of the exoskeleton?
Tasya [4]
Breathing, moving blood throughout the body, and so forth. 
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What is the difference between river velocity and river volume?
inessss [21]
Velocity is how fast the river is moving, the Volume is how much is in the river!
3 0
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