Which is an example of a spontaneous exergonic reaction? protein synthesis occurring in cells marshmallows catching fire photosynthesis

Answers

Answer 1

Answer: Protein synthesis, it's an endergonic reaction

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Round the number 14.587020 to 4 significant digits. a. 14.59 b. 14.58 c. 14.587 d. 15.00

Answers

Answer:

The correct option is a.

Step by step explanation:

The given number is

$14.587020$

In the given number two digits are on the left side of the decimal and 6 digits on the right side of the decimal.

We have to round the given number to four significant digits. The left side of the decimal will remains the same but the right side of the decimal will rounded to two decimal places.

Find third digit after decimal. If third digit is greater than 5, then add 1 in second digit. If third digit is less than or equal to 5, then second digit will remains same.

Since third digit is 7, therefore the second digit will become

$8+1=9$

$14.587020\approx 14.59$

Therefore option a is correct.

Well to round you have to round up if its greater than five and keep it the same if under five so 14.587020 rounded to the hundredths place is 14.59 A is your answer

Why can carbon form very large molecule?A. Its Its +4 valence forms ionic bonds.
B. It has a natural ionic charge of +4.
C. It can bond with other carbon atoms that are bonded to other molecules.

Answers

It would be c. It can bond with other atoms through ionic and covenant bonds.

Answer: C. It can bond with other carbon atoms that are bonded to other molecules.

A researcher wants to test how diets A and B affect the weight loss of rabbits. She has 20 rabbits to use, but all of the rabbits are different sizes, which might affect how much weight they lose. The researcher decides to group the four smallest rabbits in one group, the next four smallest rabbits in another group, etc., until the final group has the four largest rabbits. Then, from each group she randomly selects two rabbits to have diet A, and the remaining rabbits in the groups have diet B.Select all that apply:
A. This is an example of a block design.
B. This is an example of a completely randomized experiment
C. This is an example of a matched pairs experiment.
D. The treatments are diets A and B.
E. The treatment is how much weight a rabbit loses.
F. The experimental units are the 20 rabbits.
G. The experimental units are diets A and B

Answers

Answer:

A. This is an example of a block design.

D. The treatments are diets A and B.

F. The experimental units are the 20 rabbits.

Explanation:

The randomized block designs are used in experiment when there is only one variable of prime importance but along with it there are several nuisance factors. As in this case, the prime variable is the impact on weight of rabbits when they consume one the given diets. However, several nuisance factors are unequal weights of the rabbit, different class of rabbits, eating habits of rabbit, time of feeding etc.

Treatment in an experiment is the independent variable that is varied to measure its impact on the subjects of the experiment.

Here these independent variables are diet type A and B and the subject is the group of 20 rabbits. Subjects are also referred as experimental unit i.e on which the experiment is being conducted

Hence, option A, D and F are correct

Which group of algae is responsible for formation of kelp beds along the North American coasts? Brown algae Green algae Red algae

Answers

The group of algae that is responsible for formation of kelp beds along the North American coasts is brown algae.

The correct answer is Brown algae. Brown algae is a group of algae is responsible for the formation of kelp beds along the North American coasts. This kind of algae is a large group that can be found in marine habitats, including seaweeds.

Systemic circulation is the movement of blood between the heart and the __________

Answers

Answer:

Body

Explanation:

Answer:

Systemic circulation is the movement of blood between the heart and therestofthebody.

Explanation:

The oxygenated blood will pass through the left ventricle to arteries then the capillaries of the body. After the oxygenated blood is distributed to all parts of the body, the now deoxygenated blood will return through a network of veins thus, to the right atrium of the heart.

How many types of squids are there?

Answers

there are about 300 species of squid in our vast waters :)

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