The population in the united states in 2000 was about 281 million people. in 2015, it was 321 million people. from 2000 to 2015, the population increased %.

a planet has an orbital period of 34.02 years. what is the average distance of the planet from the sun?

Why a entrophic body of water has high biological productivity

Why cant you hear in space?

What structure does an amoeba, a one-celled organism, use to movie ingest and transport materials within the cell, because it has

The constant state of slight contraction of a muscle is called

A carbohydrate is broken down into smaller sugars, this is an example of what type of energy? A. chemical B. mechanical C. sound D. nuclear

Which of the following is true of a eukaryotic cell in a multicellular organism? a. possess ribosomes b. possess a cell membrane c. possess a nucleus d. possess cytoplasm e. able to perform all life functions f. possess DNA

Which of the following is a renewable resource? natural gas coal oil wind

What factor affects the environmental problems and the number of choices a society can make

The earths is a thin layer of rock that surrounds the earth