Answer:
Carbon dioxide concentrations are rising mostly because of the fossil fuels that people are burning for energy. ... For 2018 alone, global fossil fuel emissions reached 10 ± 0.5 Pg C yr−1 for the first time in history (Friedlingstein et al. 2019). About half of the CO₂ emitted since 1850 remains in the atmosphere.
Explanation:
I believe the correct answer is B
Answer:
B is the correct answer i believe
The correct answer is C. "when Henry ask "what is different with this plant that does not grow very well compared with the other house plants?" "
Answer:
The correct answer is option C.
Explanation:
Freshwater, like lakes, has less amount of phosphorous and aquatic animals, and organisms not able to access it in there. Phosphorous generally found in the terrestrial ecosystem.
Its less concentration makes it less concentration which is present in the aquatic matter as it is a sticky compound. So the growth of algae can be increase by adding phosphorus-rich fertilizer to a sample of lake water.
Thus, the correct answer is - option C.