The correct answer is option D
The main cause of global warming is the green house gases that contributes more towards global warming.
The carbon dioxide produced from the transportation is the main green house gas. Transportation being the major source of carbon dioxide contributes towards global warming.
Reducing the amount of green house gases will help in the reduction of the global warming.
- is a protein in metabolic reaction
- lowers activation energy
- is not changed during reaction
Answer:
Many people and even scientist believed in spontaneous generation because it explained such occurrences as the appearance of maggots on decaying meat. By the 18th century it had become obvious that higher organisms could not be produced by nonliving material.
The answer is A: uncontrolled cell division