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lutik1710 [3]
2 years ago
14

You want to investigate how the color of light affects the growth of plants. The best resource for reliable scientific informati

on to help you with your hypothesis would be a(n)
A. book on the species of plants grown in your area
B.magazine article on gardening
C.article documenting experiments with their results

D.website containing information about light sources
Chemistry
2 answers:
SVETLANKA909090 [29]2 years ago
7 0
C. article documenting experiments with their results
Yuri [45]2 years ago
5 0

Answer: C.article documenting experiments with their results

Explanation:

An independent variable is the variable that can be changed or manipulated so as to determine the result of such change on the dependent or the experimental variable.

In the given study, the color of light is the independent variable the effect of which is to be determined over the plant growth which is the dependent variable.

The information related to this experiment can be observed on the article documenting the experiments similar experiment. This will have valid and reliable information.

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Under the gold standard, a country in balance-of-trade equilibrium earns income from exports that is equal to the money its resi
solong [7]

The answer is true.

Explanation:

The balance of trade is nothing but the country's exports minus the country's imports.

Exports means, what you produce in the country and sell it to other countries, whereas imports means what you get or buy from the other countries.

When you export more than you import, you have trade surplus .In that case the income from exports are more than the money spent. So you have a trade surplus.

When you import then you have a trade deficit or your income is low. Most of the countries want a trade surplus.

But when the Income from exports and the money spent on imports are the same , the situation is that of balance of trade equilibrium, where the income from exports is equal to the money its residents pay for the imports.

4 0
2 years ago
How many grams of aluminum oxide will you need to start with in order to make 6500 g of aluminum hydroxide?
kherson [118]

Answer:

Explanation:

2Al(s) + 3 2 O2(g) → Al2O3(s) And given the stoichiometry ...and EXCESS dioxygen gas...we would get 6.25⋅ mol of alumina. the which represents a mass... ...6.25 ⋅ mol ×101.96 ⋅ g ⋅ mol−1 molar mass of alumina ≡ 637.25 ⋅ g.

3 0
2 years ago
Read 2 more answers
What is the land part of the earth called?
Molodets [167]

The Land Hemisphere is the part of the Earth that encompasses the largest portion of land on the planet. Despite being called the Land Hemisphere, the area of water in the hemisphere is greater than that of the area of land present here. The Land Hemisphere has its center at 47°13′N 1°32′W which is located near the French city of Nantes. The Land Hemisphere includes most of Asia and South America and the whole of Africa, Europe, and North America. Seven-eighths of the land area of the Earth is part of this hemisphere

4 0
3 years ago
Read 2 more answers
Which best represents a heterogeneous mixture?
iragen [17]
The best example of a heterogenous mixture is sand at the beach. This is a good example as the sand and water do not chemically come together to create a new mixture and the composition of both elements stay constant
3 0
2 years ago
Mg + 2H20 + Mg(OH)2 + H2 + 353kJ
mixer [17]

Answer:

m_{H_2O}=8.9g

Explanation:

Hello,

Based on the given reaction, since magnesium and water are in a 1:2 molar ratio at the reactants, we must apply the following stoichiometric factors to compute the complete reaction of the 6.0 g of magnesium:

m_{H_2O}=6.0gMg*\frac{1molMg}{24.305 gMg}*\frac{2molH_2O}{1molMg} *\frac{18gH_2O}{1molH_2O} \\\\m_{H_2O}=8.9g

Best regards.

7 0
3 years ago
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