Energy efficiency is based on the laws of thermodynamics; therefore, a loss of energy always occurs when one form is transformed into another.

a. True

b. False

How are molecular clocks used to measure evolutionary time?

Aristotle, one of the first scientists to group organisms, grouped animals according to what way?

What is taking place during central dogma?

What conclusion do scholars draw based on the presence of sophisticated water systems in mohenjo daro?

Thr sum of 21 and 4, doubled

Which of the following choices is a goal of sustainable practices? A. They focus on using resources for maximum productivity. B. They focus on using resources that can disappear if overused. C. They focus on using resources that can be renewed. D.

Why are atoms so important?

Which of the following is the best example of homeostasis in the human body? and why?

Dna determines the structure of proteins produce by cells?

What does a organism that is still has many cells produce spores and gets food from the enviroment