Visible sunspots vary in number according to a cycle of how many years?

Answers

Answer 1
Answer: Generally, the sun observes a solar cycle of eleven years. In this cycle, there are fluctuations in the activity, such as the ejected levels of solar radiation, and in the appearance of the sun, such as changes in the amount and size of sun spots, solar flares and other phenomena that occur on the sun's surface.
These changes also affect phenomena on earth, especially the auroras. 
Answer 2
Answer: On the average, visible sunspots cycle is about eleven years. But there can be variations in the cycle.

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While primary production refers to the synthesis of plant material, secondary productivity refers to the synthesis of _____. water ecosystems all abiotic factors animal tissue

Which kind of tumor grows slowly

Answers

That answer is Benign

What are the different blood types

Answers

There are four blood types they are A, B, AB, and O

Messenger RNA carries a(n) ___________ of the DNA’s instructions out of the nucleus to the ___________.a. exact copy; ribosome
b. transcript; ribosome
c. exact copy; mitochondria
d. transcript; mitochondria

Answers

b. transcript; ribosome

Ribosomes are one of the most important organelles in the cell, mostly part of the rough endoplasmic reticulum. It manufactures enzymes such as proteins which will be utilized by many organelles in the cell. Microtubules are one, responsible for the framework and acts as a skeleton of the cell –cytoskeleton needs proteins, also cytoplasm and other organelles of the cell. For a prokaryote or a eukaryote cell to survive, they need protein.

Answer:

The answer is B

Explanation:

What an animal uses for food is part of its:a. habitat.
b. niche.
c. competition.
d. None of these answers is correct.

Answers

What an animal uses for food is part of its: (b) niche.

An organism's niche can be defined as its specific role and position in its environment, including how it obtains food, where it lives, its interactions with other species, and its overall way of life. It encompasses the resources the animal uses for food, its habitat, and its interactions with other organisms.

Food is any substance that provides nourishment and sustenance to living organisms, enabling them to grow, maintain their health, and carry out their physiological functions. It is essential for the survival and proper functioning of all living beings.

To know more about niche, here

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The answer is b)

The niche is the job the animal does in it's habitat to contribute to the habitat.

Which of the following BEST describes a reason a trait exhibited by an organism will be passed on to its offspring?The trait results from isolation of the organism from the rest of the population.
The trait causes a change in the environment surrounding the organism.
The trait decreases the number of genes in the body cells of the organism.
The trait is due to the genetic code present in the organism’s gametes.

Answers

The correct answer for the question that is being presented above is this one: "The trait is due to the genetic code present in the organism’s gametes." The statement that BEST describes a reason a trait exhibited by an organism will be passed on to its offspring is that the trait is due to the genetic code present in the organism’s gametes.

The chlorophyll of the green algae is in chloroplasts.
true or false

Answers

Answer: True

Explanation:

The chlorophyll of all the green organisms lies in the chloroplast. It is a green colored pigment which helps in trapping the sunlight from the sun.

The trapped sunlight is used as a source of energy in order to convert this energy into chemical energy.

Carbon dioxide and water is added for the formation of carbohydrates in the plants.

Im pretty sure the answer is true