Answer:
The correct answer is d all of the above
Explanation:
There are many reasons behind increasing the concentration of atmospheric carbon dioxide such as
1 Burning of fossil fuels such as coal,petroleum increases the level of atmospheric carbon dioxide.
2 Increase in Argiculture also increases the level of green house gases such as CO2.
3 Clearing of lands for increasing population and agriculture by cutting down trees also adversely effect the normal 02:CO2 ratio in the atmosphere.
Answer:
make more money
Explanation:
if a popular flower is available all year round, there is more time for people to be able to buy that flower and it would rarely run out
Photosynthesis gives out oxygen and takes in carbon dioxide
Aerobic respiration uses the oxygen and gives out carbon dioxide
-Making a cycle
(Without the respiration the cell would die which would stop photosynthesis)
Hope this helps!!
Answer:
Middle layer of the meninges that contains the cerebrospinal fluid
Answer: A)true is the answer
Explanation: Because organisms are bios
