Which of the following happens during the main-sequence stage of a star's life

When all organisms die they are broken down into usable nutrients by

Which of the following describes acid rain? A. coal burning power plants releasing large amounts of sulfur B. foaming agents or plastics releasing chloroflourocarbons C. excessive carbon dioxide blanketing the earth D.

3. Describe three different ways to classify planets in our solar system.

Define the terms genotype and phenotype?

Through what process is energy released from food in most organisms

How do seahorses interact with each other?

Chemical reactions that release energy Question 6 options: will always explode. need catalysts to occur. often occur spontaneously. will not occur.

Match the amino acid (AA) with its correct side chain category: 1) proline A) acidic AA 2) histidine B) nonpolar AA 3) alanine C) basic AA 4) threonine D) polar AA 5) tryptophan 6) aspartic acid

In which structure of the female reproductive system are eggs priduced

In a forest, rabbits are the prey to owls. An increase in the number of rabbits in the forest would result in Group of answer choices A. an increase in the number of owls. B. an increase in the number of producers.