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Naddika [18.5K]
3 years ago
10

During a chemical reaction, substances (called reactants) are combined to form new substances (called products). Which of the fo

llowing accurately describes the reactants and the products of a chemical reaction? A. The products contain a different number of atoms than the reactants but have the same properties. B. The number of atoms and the properties are the same in the reactants and the products. C. The products contain the same number of atoms as the reactants but have different properties. D. The number of atoms and the properties are different in the reactants and the products.
Biology
1 answer:
hammer [34]3 years ago
6 0

Answer:

D. The number of atoms and properties are different in both.

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It is called the Chloroplast.

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One reason that mendel chose garden peas for his experiments on heredity was because
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https://www.creative-bioarray.com/support/colorimetric-cell-viability-assay.htm

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Cardiac output is the amount of blood pumped by the heart in one minute. Which of these will increase cardiac output?
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Answer: the factors that increase cardiac output include:

--> Nervous stimulation and

--> Hypertrophy of the heart.

Explanation:

Cardiac output can be defined as the quantity of blood pumped into the aorta each minute by the heart. This is also the quantity of blood that flows through the circulation. There are factors that can cause increased cardiac output or that can lead to a hypereffective heart. They are:

--> NERVOUS STIMULATION: The combination of sympathetic stimulation and parasympathetic inhibition does two things to increase the pumping effectiveness or cardiac output of the heart. These include:

• it greatly increase the heart rate from the normal level of 72 beats/mum up to 180 to 200 beats /mom.

• it increases the strength of heart contraction, which is called increased contractility to twice it's normal strength.

--> HYPERTROPHY OF THE HEART: A long term increased workload, but not so much excess load that it damages the heart, causes the heart muscle to increase in mass and contractile strength in the same way that heavy exercise causes skeletal muscles to hypertrophy. This effect of increased muscle mass of the heart, allows the heart to pump much greater than usual amounts of cardiac output.

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What is some information that you can obtain from gastric contents
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What are the basic characteristics of sponges and archeocyathans?
Galina-37 [17]
Answer:

Basic characteristics of Sponges:
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<span>General characteristics of Archeocyathans:
</span>                                                                         The term archeocyathans is a Greek word for "ancient cup". They have a single common ancestor and became one of the planet first reef animals. S<span>pecies of archeocyathans is divided into two classes, six orders, 12 suborders, 120 families and nearly 300 genera.  They are associated with carbonate sedimentation.They generally lived in shallow water with photic zone. Their fossils often co-occured with fossils of cyanobacteria. </span><span>These are marine organisms whose fossils record dated back to late Precambrian and early Cambrian period. They are most closely resemble to calcareous sponges. Their structure s are conical or tubular in shape and superficially resembles horn reefs. They have world wide distribution and found in Australia, Antartica, Spain, Cubec, New york and California,</span>
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