The site of photosynthesis in a plant cell is the A) ribosome. Eliminate B) chloroplast. C) mitochondrion. D) endoplasmic reticulum.

Given that only three percent of Earth's water is freshwater, explain the importance of protecting the quality and supply of water.

How is the paramecium an example of a living thing?

How often is carbon dioxide cycles through the atmosphere

Which landform represents a large area of flat or gently rolling land? A. Delta B. Dune C. Plain D. Plateau

Interpretations based upon emotions or opinion are considered

When a river or stream flows downward into a basin that is surrounded by high ground on all sides, what can form a. a lake b. a creek c. a sinkhole d. a delta

Is groundwater a renewable or nonrenewable resource? what are the consequence of drought or overpumping?

Which of these explains why deletion of an imprinted gene can be a dominant mutation?

Which of the following has yielded compounds with the most antimicrobial activity? water air volcanoes soil

Check the correct statements regarding a compound and a molecule: all that apply! 1. a compound consists of any two or more atoms chemically bonded 2. a compound consists of two or more distinct bonded atoms 3.