This information cannot be obtained from the text, and we need to access general knowledge: why carbon dioxide is harmful to the environment.
It is harmful, for example, because it is one of the greenhouse gases, that is a gas that traps the heat in the Earth's atmosphere and leads to a warming up of our planet (global warming). Earth's temperature should be balanced, because any changes can have catastrophic effects: warming of the planet leads to the melting of ice caps and can cause floods, for example
Answer:
H2O2 H2O CO CO2 CH4 are all compounds.
Explanation:
Compounds contains 2 or more ions of different elements in different proportion joined by chemical bonds into a molecule.
The four nitrogenous bases in DNA are adenine, guanine, cytosine, and thymine. They pair A-T, G-C and when transfering with RNA, A-U, which is known as Uracil, so, the pairs would be...
ATGCT
↓↓↓↓↓
UACGA
I hope this helps!