Answer:
1) blue
2) red
3) red
4) blue
Explanation:
organs need red blood and they get rid of blue blood. the lungs are what changes blue to red, so the lungs take in blue and expels red blood.
Answer:
The temperature of the surrounding air increases when the atmospheric CO2 level increases.
Explanation: Carbondioxide gas is a very important gas in the environment but high amount of it cause damage to the organisms.
Carbondioxide gas is also called greenhouse gas because it has the ability to absorb or trap heat energy when the solar radiation goes into the space after hitting the earth surface. If the concentration of carbondioxide gas is increased, more heat energy will be trapped and thus increase occurs in the temperature of the atmosphere which results in global warming.
Because the plants form, it is massive that it collects other objects....they can have so many moons
Think it’s is a sorry if I get it wrong
