How and why an can be fertilized by one sperm only

Into how many main groups are fish divided? a. one b. two c. three d. four

Give an example of how the apparent motion of an object depends on the observes motion

What are the two most important processes in the cycling of oxygen in and out of the atmosphere? a. weathering and erosion b. evaporation and precipitation c. photosynthesis and respiration d. lightning fixation and fossil fuel emission

It is july. you are arriving in paris, france and the pilot says it is 30 degrees outside. what temperature scale is he using?

What immediate action should you take when operating a boat if you hear the fog signal of another boat you cannot see?

Which term best describes the two substances that react to form salt?

An object is dropped from rest into a pit, and accelerates due to gravity at roughly 10 m/s2. It hits the ground in 5 seconds. A rock is then dropped from rest into a second pit, and hits the ground in 10 seconds.

F you are skateboarding and have to make a sharp turn to avoid a branch, in which direction are you accelerating?

Put the phase of mitosis or mitosis in order from first to last

What is the value of g in m/s^2, rounded to one decimal place