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suter [353]
3 years ago
8

How does a changing environment affect plant and animals threat live there

Chemistry
1 answer:
klio [65]3 years ago
4 0

Explanation:

Changing the environment takes away habitats from animals and some nutrients plants need

Hope this helps :>

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How many atoms are there in 2.0 moles of magnesium (Mg)?
hjlf

Answer:

It should be 1. 1.2 X 10^24

Explanation:

7 0
3 years ago
What is the concentration of the murexide soution with a transmittance of 28.65%. (molar absorptivity = 3847)
Ainat [17]

Answer:

The concentration of the murexide solution is 0.0000745 M

Explanation:

From Beer-Lambert's law,

A = εlc

A = Absorbance = 28.65% = 0.2865

ε = molar absorptivity = 3847 M/cm

l = path length = 1cm

c = concentration in mol/L = ?

c = A/εl = 0.2865/(3847×1) = 0.0000745 mol/L

Hope this Helps!

6 0
3 years ago
How do water particles move in a wave? A. They move forward with the wave. B. They move in a circular motion. C. They move up an
Olin [163]
Sorry if I'm wrong but I think that it is B. 
4 0
3 years ago
A geologist studies layered rock to determine its age. Bacteria fossils from the Precambrian age are found in the rock’s upper l
kondor19780726 [428]
Answer:
The bottom layers of the rock could have formed before life occurred.

Explanation:
The bottom layers of the rock could have formed before life occurred because there is no fossil is present. If there is life at that time so the fossils are present at the bottom layer so the absence indicates that is no life present at that time. The bottom layer is older than the upper layer so that's why fossils of bacteria are found in the upper layer of the rock.

Answer:
C. Because bacterial fossils are found only in the upper layers, scientists can conclude that these bacteria evolved towards the end of Precambrian time.

There’s two different types of answers for this question so I just put both of them. Hope it helps : )

4 0
3 years ago
Blank is radiant energy emitted from the sun.
Bess [88]
None, it’s solar radiation
7 0
3 years ago
Read 2 more answers
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