Which chamber of the heart receives blood with carbon dioxide and low oxygen levels from the cells throughout the body?

Answers

Answer 1

Answer: the right atrium recieves the blood with low oxygen and pumps it to the right ventricle

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This is a plastid with chlorophyll in plants that photosynthesize.
Question 17 A dilute solution has _____ of solute in the solvent.A)a large amountB)a small amountC)an unlimited amountD)none of these

Cyanobacteria are important to the evolution and advancements of other life on Earth because theyA) were the first life form on earth.
B) produced oxygen from photosynthesis.
C) were the first group of organisms to leave a fossil record.
D) were thought to have become mitochondria in the cells of animals.

Answers

B is the answer for USA test Prep

B; it was produced from photosynthesis

What is the purpose of nictating membrane?

Answers

The nictating membrane is known to be capable of giving the eye extra protection. The usage of this membrane allows "blinking" even when able to see, and is also used widely by frogs in order to consistently look for prey. This membrane had its name from the Latin word "nictare" which means "to blink".

Part of a tree that conveys information about past climates

Answers

answer id b. rings on ed

stem is the part of the tree that conveys information about past climate. stem develops rings as it responds to different climate changes. if one were to cut a tree's stem in half,it will most likely show a set of rings if the tree has lived for many different seasons. each rings can tell the the temperature that the tree withstood and also can indicate other climate factors like the humidity and cloudiness.

Wood is the primary source of fuel for _____.the wealthy
developing nations
Ohio
North America

Answers

developing nations (:

What is the difference between proteins and carbohydrates and fats

Answers

Answer:

Fat has more than twice as many calories per gram as carbohydrates and proteins.

Explanation:

If you wanted to increase the rate of photosynthesis in a plant, you would develop a plant with which of the following characteristics? a strong, thick stalk bright flowers to attract bees many, broad leaves short, narrow leaves

Answers

In order to increase the rate of photosynthesis in a plant, a plant should be developed with many broad leaves. The broad leaves will have increased surface area and more chlorophyll. The increased number of the leaves in the plant will also contribute to the overall increased rate of the photosynthesis.

A strong and thick stalk will support the plant but will have no effect on the rate of photosynthesis. Narrow leaves will decrease the photosynthesis rate. Bright flowers will aid in pollination via the honeybees but not increase the photosynthesis rate.

Hence, the correct answer is 'many broad leaves'.

Many broad leaves, which allows gathering more light.

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Proteins that tag pathogens for destruction by immune cells are called A. antibodies. B. antigens. C. histamines. D. interferons.