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frozen [14]
3 years ago
14

Which of the following human activities can increase the risks of flooding? a. cultivation b. planting trees c. soil management

d. widening rivers Please select the best answer from the choices provided A B C D
Biology
2 answers:
Liono4ka [1.6K]3 years ago
5 0
The correct answer is a.cultivation
shtirl [24]3 years ago
4 0

Correct answer choice is :


<h2>A)  Cultivation </h2><h2 /><h3>Explanation:</h3><h3 />

Flooding of farmland can produce in crop loss. Livestock, pets, and other animals are usually carried away and sink. Humans can get trapped in the high-velocity flood waters and can drown in the water. Floodwaters can reduce waste, trash, and toxic pollutants that can make the secondary outcomes of health dangers.

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Using the electron configuration flow diagram below, what is the correct electron configuration for nitrogen (atomic number 7)?
cluponka [151]

Answer:

I do not see the electron configuration flow diagram, but the full electron configuration for nitrogen is  1s^22s^22p^3

8 0
2 years ago
Ribonucleic acid (rna) and additional deoxyribonucleic acid (dna) surrounds genes. in a process called_____, they enhance, silen
aleksley [76]

Ribonucleic acid (rna) and additional deoxyribonucleic acid (dna) surrounds genes. in a process called methylation, they enhance, silence, or alter genetic instructions.

<h3>What is DNA methylation?</h3>
  • Adding methyl groups to the DNA molecule is a biological process known as DNA methylation. Methylation has the ability to change a DNA region's activity without changing the sequence.
  • When DNA methylation takes place at a gene promoter, it frequently decreases gene transcription.
  • DNA methylation plays an important role in a number of critical processes in mammals, including aging, cancer, X-chromosome inactivation, genomic imprinting, and transposable element repression.
  • The majority of eukaryotic genomes contain DNA methylation, a dynamic epigenetic alteration. It is well recognized to cause a high rate of CpG to TpG mutations.
  • However, nothing is known about the connection between the rate of germline mutation and the dynamics of methylation during germline development.

Learn more about the DNA methylation with the help of the given link:

brainly.com/question/6612810

#SPJ4

5 0
2 years ago
A 58 year old lawyer presents in the emergency room with headache, irritability, generalized muscle pain and uncontrollable back
Lerok [7]

Answer:

A. What is your diagnosis here?

As per symptoms and incident of puncturing left arm with nail from an old barn indicates it can be infection of Clostridium tetani causing disease tetanus.

When such kinds of wound occurs, there should be injection of tetanus immunoglobulin (TIG) immediately. This injection contains antibodies against Clostridium tetani which can kill the microorganism. It should be injected as soon as possible. But this is short term immediate medication.

B. What is the proper treatment of this problem?

For the treatment antibiotic penicillin, metronidazole or tetracycline can be given, it prevents multiplication of bacteria and production of neurotoxin from bacteria. these neurotoxins are responsible for muscular spasms. Along with antibiotic some anticonvasculants, muscle relaxants can be given to reduce spasms, anxiety.

C. How could this have been prevented?

This infection can be prevented by giving its vaccine in childhood itself. Vaccine is given in the form of DTaP vaccine (diptheria, tetanus toxoid, acellular pertusis). It is given in 5 shots. It is given in the arm or thigh when child is at 2 month age, 4 month age, 6 month age, 15 to 18 month age, 4- 6 years of age.

Explanation:

4 0
3 years ago
_____ that are not reabsorbed drift out of the synaptic gap, through diffusion. This is how the synaptic gap is cleared, in prep
BigorU [14]

Answer;

-Nuerotransmitters

Neurotransmitters that are not reabsorbed drift out of the synaptic gap, through diffusion. This is how the synaptic gap is cleared, in preparation for the next release of a new batch of these chemical messengers.

Explanation;

-The majority of neurotransmitters drift across the synaptic gap and come into contact with receptor sites of the receiving neurons dendrites. Receptor site is the location where neurotransmitters attach on the receiving side of the synaptic gap. Because there are a variety of neurotransmitters a variety of receptor sites also exist.

-It is necessary for the right neurotransmitter to fit a corresponding receptor site to convey the message.

-When the neuro transmitters latch onto the receptors of the dendrites of the receiving neuron tiny gates in the receiving cells membrane fly open ushering positively charged particles into the cell and restarting the cycle of action potential.

-The firing of one neuron contributes to the potential for neighboring neurons to fire as a result of its chemical message. Reuptake process by which neurotransmitters are reabsorbed by the sending terminal bud. Neurotransmitters that are not reabsorb drift out of the synaptic gap through diffusion

6 0
3 years ago
How do giant sequoia trees acquire the matter and energy they need to grow so large?​
bazaltina [42]

Answer:

Giant sequoias can grow more than 80 meters tall! molecules they need for growth using atoms from the water and air around them. ... Plants take in molecules from water and air around them to make different molecules that can be used for energy and growth.

8 0
3 years ago
Read 2 more answers
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