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zimovet [89]
3 years ago
11

3. A house has several systems, such as the electrical system, plumbing system, and

Biology
1 answer:
lapo4ka [179]3 years ago
3 0
Answer: The systems regulate the house, the same way our body system helps regulate our body. If it wasn’t for the electrical system, plumbing system, heating, and cooling system the house wouldn’t be regulated or able to live in. Just like if our bodies isn’t being regulated, we can't live.

I hope this could help you! ^^
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3 years ago
What are the most economically 'productive disasters'?​
nikklg [1K]

Answer:

1. Disasters increase scarcity and reduce the output of economies.

In simplest terms, inputs are necessary for outputs; fewer inputs means fewer outputs. When a disaster damages or destroys resources – whether labor, capital, or natural resources – total production in the economy must fall.

The production possibilities frontier (PPF) is used by economists to model “production possibilities” – the output possible in an economy making full use of its available resources. The PPF shrinks when disasters reduce the availability of the resources used to make goods and services.

Explanation:

6 0
3 years ago
Alana cuts down a large number of trees so that she can see the ocean from her porch. Which of the following
Andru [333]

Answer:

Cutting down trees adds to soil erosion and affects air quality, Maybe?

6 0
3 years ago
The lymphatic system is composed of all of the following except
zlopas [31]

OPTIONS:

A) lymphatic vessels.

B) the venae cavae.

C) the spleen.

D) lymph nodes.

E) lymph.

Answer:

B) the venae cavae.

Explanation:

The lymphatic system is an organ system that consists of a network of lymphoid tissues, lymphatic vessels and organs, which perform functions such as removal of toxins and unwanted materials, as well as production of immune cells that helps primarily in fighting against infection.

Lymphatic vessels, the spleen, lymph nodes, and lymph are all part of the lymphatic system.The venae cavae are two large vessels that empty deoxygenated blood received from all parts of the body into the right atrium. They are not part of the lymphatic system.

6 0
4 years ago
During the process of allopatric speciation, after geographic separation has occurred, what process would be a necessary last st
Natalija [7]

Answer:

Occurrence and accumulation in time of new mutations in each of the separated populations. This leads to a gradual differentiation.

Explanation:

Allopatric speciation consists of the geographic separation of an original population so that it can give place to two or more new geographically isolated populations. These separations might be due to migration, extinction of geographically intermediate populations, or geological events. In this speciation, some barriers impede genetic interchange, or genetic flux, as the two new populations that are separated can not get together and mate anymore. These barriers might be geographical or ecological.

The process of allopatric speciation involves different steps:

  • The emergence of the barrier,
  • Interruption in the genetic interchange,
  • The occurrence of new mutations and their accumulation in time in each population. Slow and gradual differentiation,
  • Genetic divergence by natural selection and reproductive isolation, which makes it impossible for the two groups to cross even if the barrier disappears,  
  • Prezigotic isolation mechanisms favored by selection once it occurs a secondary contact between the new species in formation.
8 0
3 years ago
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