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garik1379 [7]
3 years ago
14

10. Which statement is the most important reason that some people feel that solar energy power can be a pollution-free energy so

urce? *
A Electricity generation with solar cells produces no pollution.
B Electricity from burning fossil fuels is used to make solar panels.
C Extra materials from the manufacturing process can be collected and reused.
D The raw material for cells is sand, which is easily available without mining
Chemistry
1 answer:
Cerrena [4.2K]3 years ago
8 0

Answer:

b

Explanation:

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liraira [26]

<u>Given:</u>

Force (F) acting on the box = 30 N

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<u>To determine:</u>

The mass (m) of the box

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Formula: F = ma

m = F/a = 30/ 5 = 6 kg

<u>Ans</u>: Mass of the box is 6 kg


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If the system 3H2(g) N2(g) 2NH3(g) is at equilibrium and more N2 is added, a net reaction that consumes some of the added N2 wil
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Group Starts True

A rightward change in equilibrium.

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