BIOLOGY HIGH SCHOOL

Harnessing the sun's energy to produce heat or electricity is

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Answer 1
Answer:

Answer:

It is a sustainable source of Energy. Is clean energy that we can harness and explode for the benefit of mankind. Remember that fossil fuel energy will not always be available, it pollutes the planet and is very expensive. Solar energy is a term that can be used and it will be applied mostly in the electricity industry.

Explanation:

Many companies already are looking for this system as a good option to gain energy.

Answer 2
Answer: Harnessing the sun´s energy to produce heat or electricity is non- polluting. 
You do not need to worry about if this is correct. I know for a fact that it is correct because I just took a test on this, and I made a 100. So the answer is non-polluting!
Have a nice day!
Hope this helped!

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What happens when the substrate molecule binds at the active site of the enzyme?

What is often the first amino acid added to a polypeptide chain? (Codon = AUG)

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Answer:

Methionine

Explanation:

Cells of the immune system are able to respondto the presence of invading organisms because
they recognize the
(1) antigens present on the invaders
(2) antibodies present in invading pathogens
(3) DNA pattern in the nuclei of viruses
(4) antibiotics released from microbes

Answers

1.  antigens present on the invaders

Through the antigens present to the invaders the Cells of the immune system can easily able to respond and recognize.  During an infection, chemical signals attract phagocytes to places where the pathogen has invaded the body. 

Answer:1) antigens present on the invaders

Explanation:

Give one advantage of using stem cells from embryos.

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Cure genetic problems 

Where is the best position for a lamp you use to read in the dark?

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The best position for a lamp is your lamp behind your left shoulder if you're right-handed, and behind your right shoulder if you're left-handed. This way, your hand won't overshadow your words as you write or read.

Identify four types of pyroclastic material and the characteristics of each type of material?

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four types of pyroclastic materials are volcanic bombs,lapilli,volcanic ash,and volcanic blocks.

a cell in g2 before meiosis begins, compared with one of the four cells produced at the end of meiosis ii, has

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diploid cell. In meiosis I, the cell undergoes cell division process that is more likely has the similar procedures that mitosis undergoes. The cell produced is called the diploid cell which has the complete 48 strands of chromosomes within it. However, after the mitosis II takes place, the cell produced is called a haploid cell which has only 24 chromosomes instead of 48. 
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Which events are likely to be catastrophic to an ecosystem?select the three correct answers.A-hurricane.B-steady population growth.C-seasonal flooding.D-introducing of an aggressive invasive species.E-tsunami.
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Which of the following would not be a contributing factor to the life span of goldfish in a backyard pond?a. the pH level of the pond water. b. the size of the goldfish c. the food source availability in the pond d. the temperature of the pond water