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Gekata [30.6K]
3 years ago
9

Many plants that grow in shady areas have large leaves. This feature helps the plants gather more sunlight for photosynthesis. W

hich statement describes an example of evolution?
A. All plants pass the genes for large leaves to their offspring.
B. Plants with leaves of varying size sprout in gardens each year.
C. All plants have variation in their genes for leaf size.
D. Plants with large leaves have become common in rain forests.
Chemistry
1 answer:
Ilya [14]3 years ago
8 0

Answer: D.Plants with large leaves have become common in rain forest

Explanation: I got this right on the test trust me

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The graph below shows the volume and the mass of four different substances at STP.
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The formula of density is mass / volume

This means that
- high mass, low volume = high density
- high mass, high volume = so-so
- low mass, high volume = low density

From the graph shown, 
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the atomic number tells you the number of _______ in one atom of an element. It also tells you the number of ______ in a neutral
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Answer:

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4 0
4 years ago
What occurs in dissociation
vladimir1956 [14]

Answer:- B. Solvent molecules surround solute ions.

Explanations:- When an ionic solute that has positive and negative ions is dissolved in a solvent like water then the solute ions are surrounded by the water molecules in a way so that the highly electron negative oxygen atom of water is towards the positively charged ion of the solute and less electron negative which is hydrogen atom that has partial positive charge, surrounds the negatively charged ion of the solute.

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6 0
3 years ago
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3 Cu + 8HNO3 g 3 Cu(NO3)2 + 2 NO + 4 H2O
liubo4ka [24]

24.25 moles of NO can be produced using 97 moles of HNO3.

<h3>What is balanced chemical equation?</h3>

Equal numbers of atoms from various elements are present in both the reactants and the products in balanced chemical equations. Varied elements' atom counts in the reactants and products of unbalanced chemical equations are different.

3 Cu + 8HNO3 g → 3 Cu(NO3)2 + 2 NO + 4 H2O

The number of moles consumed can be calculated using comparing with coefficients in the balanced reaction .

So , from above eq we get that 8 moles of HNO3 are consumed to make 2 moles of NO.

⇒  8 HNO3⇔2 NO

⇒ 1 HNO3⇔ 1/4 NO

This means that for each mole of HNO3 produces 1/4 moles of NO.

So , for 97 moles of HNO3 , \frac{1}{4}  *97 moles of NO can be made,

So, total moles of NO made are 24.25 moles.

Lean more about balanced reactions here brainly.com/question/26694427

#SPJ10

3 0
2 years ago
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