Which of the following enzymes has an optimum working pH of

A. Amylase

B. Lipase

C. Pepsin

D. Trypsin

Planting young trees in areas where older trees have been harvested is part of A. Clear cutting B. Logging C. Selective cutting D. Sustainable forestry

Why is water conservation important? a. It is important in desert areas because water is scarce, but not in areas with high levels of precipitation. b.

Viruses are different from bacteria in that they can be found just about anywhere they can remain dormant on non-living surfaces they can infect just about every form of life

Does a single cells organism lack structure that maintain a dynamic equilibrium, while multi cellular has those structures?

A team of scientists conducted a study of grassland ecosystem and estimated the total energy at each trophic level. Their data is shown below Explain the relationship between trophic levels and energy.

Air pressure can be high or low. does airflow from low to high pressure from high to low pressure

A mutation is found that prevents transcription of the HOX3A gene, which is known to be on chromosome 12. Genetic mapping of the mutation suggests that it is located on chromosome 11.

This was also called the War of Spanish Succession. a. King Williams War b. Queen Annes War c. Queen Victorias War d. King Johns War

Why do people believe some theories even if they are not supported by credible evidence?

in your own words, explain what a mitochondria is. the funnier, the better. also, answers in the comments are welcome as well.