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Snowcat [4.5K]
3 years ago
15

How might the composition of rocks tell scientists about the conditions on earth when they formed​

Biology
1 answer:
Vladimir79 [104]3 years ago
5 0

How living thing change over time.

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A mutation can be passed on to offspring if it occurs in the
aalyn [17]

I believe the correct answer is chromosome.

<h2>Explanation:</h2>

We inherit 23 chromosomes from our mother and another 23 chromosome pairs from our father. You have to inherit a defective chromosome for you to get the mutation. This is what is called germ line mutation usually carried in the sperm or ovum. Of the 23 chromosomes, 22 are autosomal and 1 is chromosomal meaning of the 23 one of them is X and another one is . You get the Y from your father and the X from your mother.

7 0
3 years ago
The pancreas and the gonads are glands with double secreation. Explain why.​
Slav-nsk [51]

Answer:

Pancreas functions as both endocrine and exocrine gland. Hence, called as dual function gland or a mixed gland. Exocrine part of pancreas secretes digestive enzymes while, its endocrine part (islets of Langerhans) produce two hormones, i.e. insulin and glucagon.

7 0
3 years ago
Describe the skeleton of a sponge
valina [46]
Some spicules are formed of the mineralized substances calcium carbonate and silica, while others are made of an organic substance called spongin. Sponginskeletons<span> were and are used as scrubbers in bathtubs, though they are fairly expensive. The ubiquitous bathtub accessory called a lufa is NOT a </span>sponge<span>, but a plant.</span>
7 0
3 years ago
What is an example of a graphical model? please help this is for my science test studying....
Virty [35]

Answer:

Each arrow indicates a dependency

Explanation:

D depends on A, B, C; and C depends on B and D. Whereas A and B are each independent

7 0
3 years ago
As part of an experiment, a student burns propane (C3H8) to produce carbon dioxide (CO2) and water (H2O). She remembers that she
ioda

The correct answer is: D) C3H8 + 5O2 -> 3CO2 + 4H2O

The law of conservation of mass (matter) states that the mass of the system must remain constant over time. So, the mass of the chemical components before the reaction must be equal to the mass of the components after the reaction, according to this law.

3 C,8 H, 10 O


4 0
3 years ago
Read 2 more answers
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