Which of the following was most likely responsible for the fact that organic moleculesno longer form spontaneously on earth

What does the buildup of lactic acid cause?

Diagram what would happen if sexual reproduction took place for four generations using diploid (2n) cells.

Scientists classify organisms into categories according to their shared characteristics. The most current system of classification sorts organisms into kingdoms first.

What two dri values will never co-exist for the same nutrient?

In 1998, paleoanthropologist Rick Potts, of the Smithsonian Institution, published an article in The Yearbook of Physical Anthropology, a peer-reviewed journal. The article was titled "Environmental Hypotheses of Hominin Evolution.

What is the sidereal period used in Kepler's third law? A. the time taken by the planet for one rotation around its axis B. the time it takes for a planet to complete one orbit with respect to the background of fixed stars C.

The breakdown of complex carbohydrates into glucose is completed in the small intestine during digestion. What protein acts as a catalyst to speed up the reaction?

It was found that the astronaut in a spaceship has no difficulty in swallowing food even if they are upside down explain why? can you swallow food when you are upside down on earth explain your answer?

Which of the following is needed for natural selection to occur? Select one: a. variation in characteristics b. differences in fitness c. heritability of characteristics d. all of the above

When the sun's disk is covered in an eclipse the corona is still visible?