True. Greenhouse gases are composed of many molecular components that provide and are necessary for life to still exist on earth. For example, the carbon dioxide and the others alike. However, when these exceed the necessary level and amount in the atmosphere, they cause tremendous increase in temperature.
Answer- True, the tundra is colder than the taiga and higher
Cytosine<span> can form three </span>hydrogen bonds<span> with guanine.</span>
Answer:
The lactose operon is not transcribed.
Explanation:
