Match the structural formula to the chemical formula for this substance.

CH2Cl2

C2H6O

C2H6O2

H2CO3

What is a likely factor that creates a difference between a category 1 and 5 hurricane? a. category 1 has cooler and moister air than 5 b. category 1 has warmer and drier air than 5 c. category 5 has cooler and drier air than 1 d.

Part A How do the potential energy and the kinetic energy change when the skateboarder is at the top or the bottom of the hill? Why do you think this change occurs?

7. Why would a rainy year cause an increase in cases of the virus?

Fatty acids with double bonds between some of their carbons are said to be

Passage of blood throughout the heart?

A species of cleaner fish removes parasites from another species of fish that is much bigger in size. The big fish keeps cleaner fish predators away. This type of species interaction is classified as: A.) Mutualism B.) Competition C.) Neutralism D.

Which characteristics make estuaries productive ecosystems?

Kayla has a cat with blue eyes. The color of her cat's eyes is determined by DNA. The DNA directs which substance to construct these eyes? A. lipids B. water C. proteins D. carbohydrates

The modern synthesis refers to: a. the combination of anthropology and biology b. the combination of modern genetics and Darwinism. c. the combination of modern anthropology with animal behavior d.

Is the pattern on a butterfly's wing unique to each?