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Katarina [22]
3 years ago
15

Which of the following is the most commonly used renewable energy source?

Geography
2 answers:
NNADVOKAT [17]3 years ago
8 0
It is hydropower the first option
GenaCL600 [577]3 years ago
4 0

Answer:

hydropower

Explanation: had it on my test

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what are the effects of poor service delivery in a community...socially,economically and environmentally
Thepotemich [5.8K]
The effects socially would be that the delivery will not be well respected and their will be conflict between the deliver and customer, business, etc . The effects economically would be that the business will start to decline in customers of interest in that area and potentially will make a bad name for that business in general, meaning less business and less money. This leads to a drop in business status worldwide. The effects environmentally are possibly limitless, it affects everything. By the service being poor many things and people could suffer, including greenery and yardwork or whatever. There will be an effect on environment but it depends on the service and how poor it is.
8 0
3 years ago
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Which two conditions must be met for a solar eclipse to occur?
Nikolay [14]

Answer: 1. It must be a full moon (for a lunar eclipse) or a new moon (for a solar eclipse). 2. The Moon must be at or near one of the two points in its orbit where it crosses the ecliptic plane (its nodes).

Explanation:

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2 years ago
What are the positive impacts of tropical cyclone?​
Black_prince [1.1K]

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Explanation:

7 0
2 years ago
BD is the angle bisector of ZABC
Thepotemich [5.8K]

Answer:

x = 7, y = 2

Explanation:

Two triangles are said to be congruent if all three sides and three angles of one triangle is equal to three sides and three angles of the other triangle.

From the question:

BD ≅ BD (reflexive property of equality)

Since BD is the angle bisector of ∠ABC, hence ∠ABD = ∠CBD

∠ABD = 2x + y, ∠CBD = 14 + y. Therefore:

2x + y = 14 + y

2x = 14 + y - y

2x = 14

x = 14 / 2

x = 7

Also, ∠BAD = ∠BCD = 90° (right angled triangle)

Since ∠BAD = ∠BCD, BD ≅ BD and ∠ABD = ∠CBD, therefore ΔABD is congruent to ΔCBD by angle-angle-side congruence theorem.

The angle-angle-side congruence theorem states that if two angles and one side of one triangle is equal to two angles and one side of another triangle the both triangles are congruent.

ΔABD is congruent to ΔCBD, therefore AD = CD

5x - y = x + 13y

13y + y = 5x - x

14y = 4x

14y = 4(7)

y = 4(7) / 14

y = 2

7 0
3 years ago
There are hundreds of major and sub-fields of science. Who decides which field of science is officially a sub-field of another f
Marrrta [24]

The subject of science is very broad. With that being said, I think there is no official regulatory board that decides the branches of science. Scientific developments are products of joined efforts of different scientists. These scientists could rebuke another's work provided there is evidence. As long as the theory is generally accepted by the scientists and no one rebukes it effectively, then it is a generally accepted fact and everyone adapts it.

Hence, the answer is B.

7 0
3 years ago
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