3 years ago

Is cracks in rocks a chemical or mechanical weathering?

1 answer:

7 0

Depends, if it's from acid rain (or acid from plants) its chemical if it's from the wind beating (or a plants roots) it down then its physical

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Help bonus points<br>real ans plzz

Alenkinab [10]

Answer:

B. A Temperature Of 37°

Explanation:

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2 years ago

In sexual reproduction, an offspring is produced with genes from both parents. When the offspring has a new genetic variation th

Sloan [31]

Answer:

D. a mutation

Explanation:

This would be called a mutation because it stated above neither of it's parents have it so say for humans both parents have 2 arms which is normal. They have a child and he/she only has one arm thus mutation.

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2 years ago

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A small mass of tissue that is made up of Purkinje fibers, ganglion cells, and nerve fibers, that is embedded in the musculature

Nadusha1986 [10]

Answer:

It is called the S-A node, or rather sinus node.

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3 years ago

Mendel crossed homozygous tall and short plants. The law of segregation dictates that each sperm of the tall plant randomly pass

Viefleur [7K]

Answer:

D.) If the homozygous tall plant (TT) crosses with a homozygous short plant (tt), then all the F1 plants become heterozygous tall plants (Tt).

Explanation:

Homozygous indicates that the alleles in the genotype are the same. Therefore, the genotype for homozygous tall plants is (TT) and the genotype for homozygous short plants is (tt).

After performing a cross, we know that all of the children will have the heterozygous genotype (Tt).

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1 year ago

What is the ability of cell membrane to allow materials to pass through it<br> called?

mrs_skeptik [129]

Answer:

facilitated transport

Explanation:

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3 years ago