In canoeing, you paddle backward to go forward. Canoeing can be explain by Newton's third law that says

Which is true of hydroxide ions? A. They dissociate to form protons. B. They contain two hydrogen atoms. C. They have a negative charge. D. They are not found in pure water.

About one-third of people who undergo gastric surgery for weight loss relapse within five years. a. True b. False

All animals use vibrating air sacs or body parts (wings, legs, etc) to produce sounds True or False

A skydiver prepares to jump out of a plane. Explain how gravity and air resistance will affect the motion of the skydiver before and after he or she opens the parachute.

What is unique about the members of the group of fungi to which Penicillium notatum belongs? They are not important for medicine. They are not made up of hyphae. They are used in fermentation. They lost the reproductive phase.

Name six kinds of seedless plants

Some forests develop after farmland is abandoned. Grasses may be overtaken by pine trees which are eventually replaced by hardwood trees. During this process, the soil also changes. Which change during this process is a form of chemical weathering?

Which ranks the solutions from the strongest to weakest acid

An astronomer sees bands of different colors from objects in space using this tool

Euglena can be classified as both: A) Autotroph and a parasite B) a decomposer and a heterotroph C) a producer and a parasite D) an autotroph and a heterotroph