A group of 40 children attended a baseball game on a field trip. Each child received either a hot dog or a bag of popcorn. Hot dogs were $2.25 and popcorn was $1.75. If the total bill was $83.50, how many hotdogs were bought?

Deforestation is a worldwide phenomenon. However, there are some areas that experience more deforestation than others. Which of the following South American regions has experienced the greatest extent of deforestation (net loss, 2000-2015) ? a.

Which region on the graph above has a population growth approaching 0?

How do dehydration synthesis and hydrolysis

Which is required for karst topography to form? A. Pure water B. Granite C. Basalt D. Carbonic acid

The area known as "Mesopotamia" is found between the rivers A) Nile and Congo. B) Danube and Rhine. C) Yellow and Yangtze. D) Tigris and Euphrates.

Working in a mountain valley that contains an alpine glacier, you discover a series of end moraines in the valley. As you move up toward the glacier, what conclusions can you expect to make about the moraines?

What may form where a river enters a large body of water such as a lake?

Whats the relationship between oceanography and hydrosphere

How Human causes of climate change

Compare and contrast organochlorine and organophosphorus pesticides in terms of their persistence and toxicity.