Which term does not describe a heterotroph? a. secondary consumer b. primary consumer c. producer d. scavenger

When a person is exercising the body needs to deliver increased amounts of oxygen to the muscles which component of blood ensures that the muscles will receive it

In which state was more than 100 billion tons of coal mined in 2005?

Linda and julia are trying to determine whether their ideas are scientific or pseudoscientific. linda's idea is free of bias. julia's idea gives the same result when tested repeatedly. which statement is correct about linda and julia's idea?