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Ann [662]
3 years ago
5

Is mixing sand a gravel a physical or chemical change?

Biology
1 answer:
gtnhenbr [62]3 years ago
4 0

Answer:

I believe it's a physical change?

Explanation:

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If the nucleotide sequence on one side of a DNA molecule is CCTAGCT, then the sequence on the complementary strand of DNA will b
valentinak56 [21]

Answer:GGATCGA

Explanation:

The complementary double helix of the DNA are antipararell to each other.

Chargaff's rule state that Adenine always pairs with thymine (double bond) and Cytosine always pairs with guanine (triple bond).

Therefore if a DNA molecule is CCTAGCT, then the sequence on the complementary strand of DNA will be GGATCGA as written below

5' CCTAGCT 3'

3' GGATCGA 5'

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3 years ago
Which equation shows how matter is transformed and conserved in photosynthesis? In other words, which is the balanced chemical e
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Answer:

B

Explanation:

The reactants of photosynthesis are CO2 and H2O and the products are C6H12O2 and O2

the answer is not exact, but it is the closest to the actual equation

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Describe the relation between the complexity of an animal
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Answer:They all have diffrent body parts and are shapped and built diffrently

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Which material has the highest thermal conductivity? Which material has the highest electrical conductivity? Explain why thermal
olga55 [171]

Answer:Silver

Explanation:Silver has the highest electrical conductivity of all metals. In fact, silver defines conductivity - all other metals are compared against it. On a scale of 0 to 100, silver ranks 100, with copper at 97 and gold at 76.

4 0
3 years ago
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Why are shadows longer in the morning and evening?
Luden [163]

Answer:

Shadows are longest in the early morning and late afternoon/early evening when the sun appears low in the sky. As the Earth rotates on its axis, the sun hits each location in the morning at an angle. ... As Earth continues to spin toward sunset, the increasing angle causes shadows to lengthen!

Explanation:

Hope this helps! Have a good day!.....or not...its up to you- <3

4 0
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