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wel
3 years ago
9

What do scientists call an orderly pattern of change over time

Chemistry
1 answer:
Ulleksa [173]3 years ago
4 0

ecological. i hope this helps!!!!

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Answer:

add more types of plants

Explanation:are you kidding me i’m doing this stuff and i’m in 7th grade

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Complete the sentence. The atomic number of an element is found by counting the number of _______ in an atom. A. isotopes B. ele
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Suppose you wish to apply SSA to a triangle, in order to find an angle
emmasim [6.3K]
First of all there nothing exists something like SSA congruence criterion, It is SAS Congruence where the sides of a Triangle and the angle between them is exactly same to the other two sides and angle between them of another triangle.

So the correct option is D.

Explanation:

If the Triangle has two sides equal, so the two angles there are equal. Also the other angle be some other definite angle. So

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x=67.5

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3 years ago
The pressure of a gas is 750 torr when its volume is 400. ml. Calculate the
ololo11 [35]

Answer:

a. 0.66 atm

Explanation:

Pi = 750 torr = 0.99 atm. Pf = ?

Vi = 400 ml Vf = 600ml

Using PiVi = PfVf

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Solving for Pf, we have,

Pf = (400ml × 0.99atm)/600ml

Pf = 0.66atm

7 0
2 years ago
Which element has the least density at STP?
vladimir2022 [97]

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Helium, this noble gas has the least density at STP

Explanation:

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