Answer:
All options about the enzymes are true
Coal is made up of carbon, so burning coal releases carbon
Answer:
Option A, oxygen in the atmosphere
Explanation:
The highest level of oxygen reached during this phase of the geological cycle of earth. The oxygen level in Carboniferous period accounted for 35% as compared to 21% of oxygen in the atmosphere in present time.
Due to high oxygen content, the giant and wide varieties of terrestrial animal and plant species evolved. For example – size of insects and carwlies increased, plant became extremely giant, increase in number of tree ferns etc.
The development of a new species is called speciation
hope this helped
Answer:
D
Explanation:
Addition of hydroxide ions will decrease its acidity and make it more basic.
