The greenhouse effect is the trapping of heat under the atmosphere, which is a natural effect caused by greenhouse gases. However, when greenhouse gas concentrations are too high, they trap too much heat and increase the temperature on Earth, causing the enhanced greenhouse effect.
B i think
Answer:
high clean-energy startup costs
Explanation:
try to provide the multiple choice answers next time
Answer: C) Centromeres
Explanation: Centromeres are involved in crossing over, none of the other ones are.
Phylum. The classification system goes: Kingdom, Phylum, Class, Order, Family, Genus, Species. Anything that shares a class also share anything above it.