Diseases may spread more rapidly when an area is crowded so disease is considered to be what?

In rosebushes, chlorophyll is responsible for the process of photosynthesis. chlorophyll is located in

Sodium chloride is made up of a positive sodium ion and a negative chloride ion. Therefore, it is an example of

Planets in our solar system revolve around the Sun because A. the Sun is the brightest object in our solar system. B. the Sun is the hottest object in our solar system. C. the Sun is the most massive object in our solar system. D.

Why does a rock tend to be rounded?

Which type of vessel changes most to regulate resistance to blood flow. why?

Blank is between the times when a cell is dividing

Magnetometers revealed that the basalt rocks along the mid-ocean ridges are aligned in alternating, symmetrical patters.

A scientist wants to find the percent of teens that like the taste of "brand X"lemonade over "brand Y" lemonade. She conducts a taste test of 500 teenagers. She gives each teen a bottle of lemonade with the labels showing the brand of each lemonade.

Ow many molecules of water are released during the polymerization of a 20 monomer-long cellulose molecule?

How do you pee like how does it come out of your body and why don't we pee on ourselves anymore?