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shusha [124]
3 years ago
10

Describe how human activities have affected the worlds major terrestrial freshwater and marine ecosystem

Biology
1 answer:
meriva3 years ago
4 0
Well, we cause pollution from not recycling.
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Candace is wanting to be sure that she is doing what she can to prevent the spread of disease. Which of the following should she
Temka [501]

Answer:

Take medicine to destroy the germs.

Avoid contact with other people's bodily fluids.

Eat healthful foods such as fruits and vegetables.

Explanation:

For the spread of disease, there is usually a host who bears the infectious agent, the agent exits through a port of exit from the host, is carried by a mode of transmission, then enters a susceptible second host through a port of entry. To stop transmission, stopping the infectious agent can include;

  1. Stopping the agent from leaving the host through port of exit – e.g quarantine the patient
  2. Curtailing the modes of transmission – e.g killing disease vectors
  3. Protecting the ports of entry in the susceptible second potential host – e.g by improving immunity

8 0
3 years ago
Read 2 more answers
Why must the base be grouped into triplets in order to represent amino acids?
e-lub [12.9K]
Bro im jus gonna be straight up w you i want to help you but i cant becuase i have no idea what that is
5 0
3 years ago
A sample of well water is tested for its bacterial content in a plate count assay. A one-milliliter sample of the water is dilut
Sholpan [36]

Answer:

The original water sample contains 830,000 cells per milliliter.

Explanation:

A sample of well water is tested for its bacterial content in a plate count assay. A one-milliliter sample of the water is diluted in a 1:10 dilution series. One milliliter of the fourth dilution tube is plated in a pour plate. After incubation, the plate has 83 colonies, indicating that the original water sample contained 830,000 cells per milliliter.

6 0
3 years ago
Fil in the blanks:1. A fat molecule is composed of two types of smaller molecules, including only one molecule of _________. 2.
Sedbober [7]

Answer:

1. Glycerol

2. Fatty acids

3. Monoglycerides

4. Triglycerides

5. Hydrocarbon

6. Hydrophobic

Explanation:

1. Glycerol

Fat consist of a molecule called glycerol that is attached to one, two, or three fatty acids. Glycerol is the basis of all fats and consists of a three-carbon chain that is attached to the fatty acids.

2. Fatty acids

Fats is made up of three fatty acids and a glycerol, it can also be called triacylglycerols or triglycerides.

3. Monoglyceride

It is a glycerol molecule with a singular fatty acid. It is formed through the combination of OH of glycerol to the OH of the fatty acid.

4. Triglycerides

It has three fatty acid molecules. It is a tri-esters made up of a glycerol attached to three fatty acid molecules.

5. Hydrocarbon

Fatty acids is made up of long, unbranched hydrocarbons with a carboxylic acid group found at one end.

6. Hydrophobic

The hydrophobic nature of fat arises from the carbon-hydrogen bonds that are nonpolar.

3 0
3 years ago
Read 2 more answers
A lamp that plugs into a wall socket draws energy which flows through a thin wire in the bulb causing it to glow. What energy tr
Softa [21]

Answer:

Electrical>thermal>light

Explanation:

Electrical energy refers to energy which is gotten from potential energy. This energy source could be a wall socket.

Thermal energy on the other hand refers to internal energy of a system where temperature is constant.

Light energy is made up of photons which transmits electromagnetic radiation which move in waves and become visible to human eye.

Therefore, the energy transformation taking place according to the question is option D.

5 0
2 years ago
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