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PIT_PIT [208]
3 years ago
6

Which of the three major environmental problems is the most challenging because it is irreversible

Biology
2 answers:
drek231 [11]3 years ago
8 0
Answer choices please. If there are any.

Hoochie [10]3 years ago
8 0

The correct answer is resource depletion.

Resource depletion refers to the consumption of a resource more briskly than it can be replenished. Natural resources are usually differentiated among the non-renewable and renewable resources.

The most common causes of the depletion of the natural resources are the following:

1. Overpopulation

2. Deforestation and the destruction of Ecosystems resulting in the destruction of the biodiversity.

3. Overconsumption and waste.

4. Pollution and contamination of resources

5. Technological and industrial development.


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Which cells contain only one sex chromosome? somatic cells gamete cells hybrid cells autosomal cells
DerKrebs [107]
Gamete Cells. Eggs and sperm are reproductive cells and reproductive cells are called gametes.
4 0
3 years ago
Read 2 more answers
Put the following events in the correct order:
Wewaii [24]

Answer:

Explanation:

c. Transcription of one DNA strand results in mRNA, which is a complementary copy of the information in the DNA.

a. The mRNA leaves the nucleus and goes to a ribosome open choices for ranking.

b. The building blocks of proteins, are carried to the ribosome by tRNAsAmino acids.

The process of deoxyribonucleic acod starts with replication to transcription and translation.

Replication involves the formation of a complementary base from a old or template DNA Strand this then serve as a template for transcription.

transcription involves the coping of information on the DNA to an intermediate mRNA ( messanger ribonucleic acid) in the nucleus which then move from the nucleus to ribosome in the cytoplasm where translation occurs.

Translation is the conversion of the information on the mRNA to an amino acid with the help of enzyme transferse ribonucleic acid(tRNA).

Hence the arrangement is from C ---- A-----B.

3 0
3 years ago
A student notices that her guppies reproduce most when her fish tank water is slightly alkaline. They stop reproducing if the wa
Gnom [1K]

Answer:

The correct answer is Zones of tolerance

Explanation:

All living organisms such as fish,plants and animals  need water to survive and also the require certain pH level of water in order to be healthy.Its a acid and base balance reaction.Strong acids dissolve into water and its changes water's pH.if water's pH level drops it becomes acidic suppose a fish waste ammonia releases and dissolves in water to form harmless ammonia ions,carbon dioxide ions and hydrogen ions even some limestone also rises pH level and water becomes more basic.To make the tank water alkaline, add some corals and aerate the tank water by fixing an air pump so that excess of carbon dioxide eliminate out and water pH level comes to neutral this is the reason water becomes slightly alkaline and the fishes are able to reproduce.

3 0
3 years ago
Why would society use green roofs?
puteri [66]
They probably chose this over black since black absorbs he most heat, and if something like a power outage occurs during the hot summer, ya want to stay as cool as possible...this is just my idea.
5 0
2 years ago
Indicate at which step of the replication-transcription-translation process each type of RNA first plays a role. During which st
kolezko [41]

Answer:

<h2> Replication: DNA  into DNA, and RNA primer are required;</h2><h2>Transcription/RNA processing: pre mRNA and then mRNA;</h2><h2>Translation: tRNA, rRNA</h2>

Explanation:

1. During replication,  a semi-conservative copy of a DNA molecule is made with the help of various enzymes and RNA primer.

2. Transcription/RNA processing: mRNA

During transcription, the DNA "message" ( in the form of codon) is copied into  mRNA.

3. Translation: tRNA, rRNA

During translation, the information carried in the mRNA is translated into protein with the help of molecules of tRNA and rRAN to build a protein on the ribosomes.

6 0
3 years ago
Read 2 more answers
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