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:
All vascular plants have water-conducting tissue and are better adapted for life on land than the bryophytes; they are also characterized by a dominant sporophyte generation.
Answer:
The doctor should suggest a cochlear implant
Answer:
The answer is Free factor / Independent variable.
Explanation:
A free factor is a variable that is controlled to decide the estimation of a needy variable s. The reliant variable is what is being estimated in a trial or assessed in a scientific condition and the autonomous factors are the contributions to that estimation. An autonomous variable in a test setup is the controlled variable. As it were, the free factor is the variable that is being tried or modified by the experimenter.