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Eva8 [605]
3 years ago
13

What are the two gases that animals exchange with their environment?

Biology
1 answer:
Mamont248 [21]3 years ago
3 0
Oxygen and carbon dioxide. ☺♥
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19. What are Darwin's four main ideas of natural selection?
vichka [17]
<span>More individuals are produced each generation that can survive.

Phenotypic variation exists among individuals and the variation is heritable.

Those individuals with heritable traits better suited to the environment will survive.
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When reproductive isolation occurs new species will form.</span></span>
7 0
3 years ago
Although Arroyo does not mention the term "watershed," it was discussed in the unit as being closely related to and impacted by
rusak2 [61]

Answer:

Arroyo integrated the term “watershed“ by saying that Oxfam and Swiss Re with the Rockefeller foundation are helping farmers building hillside terraces to conserve water and they are also providing for insurance when the droughts do come.Water shed relates to drought and heat because it will suffer and there would be less water to fill surface water resources and less water to make its way through the earth and into groundwater reservoirs.

Explanation:

7 0
3 years ago
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Barbara is converting 78°F to degrees Celsius. First, she subtracts 32 from 78. What is the next step?
baherus [9]

Answer:

the next step is to multiply the result by 5/9.

Explanation:

Below, the formula to convert Farenheit degrees to Celcius.

T(°C) = (T(°F) - 32) × 5/9

If barbara already subtracted 32 from 78, now the next step is to multiply the result by 5/9.

T(°C) = (78°F - 32) × 5/9 → T(°C) = (46) × 5/9 = 25.55°C

7 0
3 years ago
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What is difference between plasma cells and memory cells, and how do they prevent you becoming ill??
Stolb23 [73]
The difference between them is that they are active in fighting infection. Plasma cells are active in defense during the first exposure to invaders like viruses or bacteria producing antibodies. Memory cells last longer and make a copy of the invaders. This allows an extremely rapid defense later in case of a second exposure.
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Where are CO2 and O2 found primarily in our environment? A.life forms B.atmosphere C.rock/soil
valkas [14]
B. atmosphere since the atmosphere is made up of o2, co2 (a greenhouse gas) and nitrogen. those are the primary elements

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