Witch of the following elements produces no harmful emissions when used as a energy source?

A. coal

B. oil

C. wind

D. natursal has

How many states are in the southern region of the usa?

What happens in a convection cell? A. Cold, dense material sinks while hot, less dense material rises. B. Cold, dense material moves horizontally, while hot, less dense material moves vertically. C.

What best describes the role of a tertiary consumer in a food web?

What percent of water do we use for washing our clothing?

A 20" ladder needs to have a 5:2 ratio of distance to building and distance to window in order to be safe. How far away does the ladder need to be from the building? How far up the building should the ladder be placed?

What role did geography play in Italy's and Rome's development

Conflict between Armenians and Azeris resulted in a war over

An isthmus is the same as an island group - it's completely surrounded by water on all sides.

How are the amazon and mississippi similair

Organic material porvidrd nitrogen for plants. Which soil component contributes the most nitrogen to plants?