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photoshop1234 [79]
3 years ago
8

I’ll really appreciate it if you help me out on this one .

Chemistry
1 answer:
8090 [49]3 years ago
8 0

Answer:

3) All the animals and plants in a desert

4) Species becoming extinct

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A newly discovered element, Z, has two naturally occurring isotopes. 90.3 percent of the sample is an isotope with a mass of 267
kirill115 [55]
Ok so, remember that t<span>he average atomic mass is what is seen on the periodic table. It is the average mass of all of the isotopes with their frequency taken into account. What you need to do is add the products of the masses and frequencies Just like this:</span>

<span>0.903*267.8 + 0.097*270.9
When you add it the result is what you are looking for</span>
4 0
3 years ago
Helppppppppppppppppppp
lesantik [10]

Explanation:

The Watershed

The land that seperates water flowing

Hope this is correct and helpful

HAVE A GOOD DAY!

7 0
3 years ago
The crystal size of an igneous rock is described as its _____.​
Mila [183]

Answer:

The crystal size of an igneous rock is described as its texture.

4 0
3 years ago
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Which of these is most likely observed during a thunderstorm?
Bas_tet [7]

The answer is waterspouts

3 0
4 years ago
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Anabolic reactions _______ bonds, whereas catabolic reactions __________ bonds. A. decrease; increase. B. break; make C. weaken;
nexus9112 [7]

Answer:

The corrext answer is E. make; break

Explanation:

In living organisms, the metabolism is either anabolic or catabolic where anabolic metabolism is energy consuming and catabolic metabolism is eneegy releasesing. It should however be noted that anabolic reaction builds or biosynthesize new mollecular structures while catabolic reaction breaks down complex structure bonds into simple structures

The braking down of bonds in catabolic reations realeses energy to sustain the anabolic rection process for the formation of new bonds

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