Why climate is changing? What are the causes of change?

Studies show that having an aed (defibrillator) available increases the survival rate of sudden cardiac arrest by a factor of:

What are the four biomolecules

Desertification is the change of a grassland or other ecosystem into an arid desert with little vegetation or precipitation.

Which macromolecule gives the body the energy it needs to carry out cell functions

The exited electrons pump uses what ion to create a gradient

In angiosperms, flowers are adaptations for reproduction. Which of the following does NOT usually describe flowers that are pollinated by animals? A. They are tiny. B. They pollinate more efficiently than wind-pollinated plants. C.

Which statement correctly describes the process that occurs in the thylakoid? ATP is produced in the thylakoid during light-independent reactions. ATP is produced in the thylakoid during light-dependent reactions.

What body system peforms the function of getting rid of chemical waste

Natural selection is defined as A. the changes that occur in an organism over its lifespan. B. the changes in the characteristics within a population that lead to survival. C.

Is dna considered to be an organic molecule? Why or why not?