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defon
3 years ago
6

The picture shows us how the Sun's rays strike Earth. Because of the Earth's tilt on its axis, some parts of Earth are having su

mmer and others, winter. What letter or letters on the Earth are experiencing summer?

Biology
2 answers:
kari74 [83]3 years ago
6 0

Answer:

c and d

Explanation:

Oksana_A [137]3 years ago
5 0

Answer:

C

Explanation:

the suns rays are closest to C

--<em>Brainliest answer is much appreciated! :)</em>

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In a pedigree, an affected male would be designated by:.
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Answer:

a shaded square

Explanation:

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2 years ago
Limestone is a rock formed from calcite. Calcite can be easily dissolved by acids. Marble is a rock formed from limestone. There
Umnica [9.8K]

Answer:

All of these are correct

Explanation:

According to the question, marble is a rock formed from limestone, which in turn is also formed from Calcite. This shows that marble is a kind of metamorphic rock because a metamorphic rock is any rock that is formed by the alteration of other rocks caused by heat, pressure or chemicals etc. These changes that occurs in the previously existing rocks are called METAMORPHOSIS.

Hence, since marble is formed from limestone, it concludes that marble is a metamorphosed rock formed from a previously existing limestone rock. Also, since Calcite, a precursor of limestone that marble is formed from can be degraded by acids, both limestone and marble which are formed from it will also be dissolvable by acids.

8 0
4 years ago
Which statement about glaciers is true?
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C. There are two types of glaciers: Alpine and Continental

3 0
4 years ago
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True or False? Circle the correct answer for each statement. If a statement is false, explain why under the
Lorico [155]

Answer:

F,T,T,F

Explanation:

1)false-(its a covalent bond)

A water molecule is formed when two atoms of hydrogen bond covalently with an atom of oxygen.

2)True-(water is a polar molecule)

Water is a polar molecule because the positive end attracts particles of negative charge.

3)True

water dissociates to form hydrogen ions (H3O+) and hydroxide (OH-) ions

4)false

Lower pH number means stronger acid, higher pH number means stronger base.

4 0
3 years ago
The cell cycle is regulated at the molecular level by a set of proteins known as:
madreJ [45]

Answer: Option D.

Cyclins are proteins that regulate the cell cycle at molecular level.

Explanation:

Cell cycle refers to series of activities that take place in the cell leading to replication of DNA and division of cytoplasm to give two daughter cells. Cell cycle are regulated by a set of proteins called cyclins.

Cyclins are group of proteins the bind and activates cycling dependent kinases enzymes in order to control cell progression through the cell cycle.

8 0
4 years ago
Read 2 more answers
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