Damage to the ozone shield over the UnitedStates is likely to cause
(1) increased warming of local ecosystems
(2) increased exposure to ultraviolet light
(3) reduction in the pH of acid precipitation
(4) reduction in the frequency of floods and
droughts

Answers

Answer 1

Answer:

Answer:

The correct answer is option (2) "increased exposure to ultraviolet light".

Explanation:

The ozone shield or the ozone layer is a region of the atmosphere comprised of high concentrations of ozone that absorbs most of the Sun's ultraviolet radiation. Therefore, damage to the ozone shield will cause increased exposure to ultraviolet light over the United States. This could cause harmful consequences such as an increase of cases of skin cancer, sunburn and cataracts.

Answer 2

Answer: (2) increased exposure to ultraviolet light. The ozone layer protects us from UV light.

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How are alleles are passed from the parents to the offspring

DNA nucleotides include A thymine, guanine, uracil, and cytosine B thymine, uracil, adenine, and cytosine
C thymine, guanine, adenine, and cytosine
D thymine, guanine, adenine, and uracil

Answers

Answer:

Explanation:

It has 2 pairs

Adenine and Thymine

Cytosine - Guanine

hope it helps

Answer:

C. thymine, guanine, adenine, and cytosine

What happens when something goes wrong with transcription and translation

Answers

A mutation can occur sometimes.

Which of the following explains why the heart is organized so that it pumps blood to two different locations? a.to supply blood to two different sides of the body b.to allow a way for the blood to pick up new blood cells c.to move oxygen-poor blood through the lungs and to move oxygen-rich blood to the rest of the body d.to provide a way for blood to pick up nutrients at one location and oxygen at another

Answers

Im pretty sure that it is (A) because blood pumps to get every where through your body. If it didn't one half of your body would feel cold or numb.

The answer is C, I just had this question-

C. To move oxygen-poor blood through the lungs and to move oxygen-rich blood to the rest of the body

?Which is the order of organisms from the shortest life cycle to the longest?firefly → moss → pea plant
moss → pea plant → firefly
firefly → pea plant → moss
pea plant → firefly → moss

Answers

Answer:

The correct answer is firefly → pea plant → moss.

Explanation:

Fireflies average life span is about 2 months for adults. Pea plants are annual plants and life span is of one year, it takes place from winter to the end of summer.

Moss life span is longer than pea plants and fireflies. Their life span depends on their species which can range from two to ten years. Generally, it considered as 10 years.

Thus, the correct answer is firefly → pea plant → moss.

Answer:

c. Firefly, peaplant, moss.

Explanation:

Fireflies live for only a couple weeks. Pea plants live for about 100 days. Moss lives for about 4 months.

An mRNA is 429 nucleotides long. The number of amino acids in the polypeptide chain formed from this mRNA is(A) 143.
(B) 142.
(C) 141.
(D) 429.
(E) 428.

Answers

B. 142. This is because one of the molecules has to be a stop codon which doesn't code for an amino acid. So there are only 426 nucleotides coding for the polypeptide chain. It takes 3 nucleotides to code for an amino acid. So 426 divided by 3 is 142, which is the amount of amino acids that will be part of this chain.

Final answer:

An mRNA of 429 nucleotides will form a polypeptide chain with 143 amino acids, assuming each codon (set of 3 nucleotides) corresponds to an amino acid and the stop codon is not counted.

Explanation:

For the synthesis of protein in a process known as translation, each triplet set of nucleotides in the mRNA, called a codon, identifies a specific amino acid. Hence, an mRNA of 429 nucleotides would be segmented into a set of 3 to form the different codons for the amino acids. Since 429 divided by 3 is 143, the polypeptide chain resulting from this mRNA would have 143 amino acids.

In this case, the correct answer would be (A) 143. This calculation does not take into account the stop codon that does not correspond to an amino acid, but usually examination questions ignore the effect of the stop codon. To provide the most accurate answer, we would need to know if the mRNA sequence includes the stop codon or not.

Learn more about Protein Synthesis here:

brainly.com/question/32660015

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Select all that apply.Which of the following animals filter feeds?

dolphins
fish
baleen whales
clams
sponges

Answers

Animals that filter feeds are called filter feeder. These are a sub-group of feeding animals that eat by filtering the food from water. They use a specialized filtering system from their body to filter their food. Filter feeders are important in cleaning the water. Examples of these are baleen whales, clams, sponges and some fishes. Thus, all are animals which filter feeds except dolphins.

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