In which part of the plant leaf does most photosynthesis occur?

Given what you know about the human body, what do you think accounts for the high percentage of oxygen (65.0%) ?

Will an object denser than water float or sink

A solution that contains equal number of hydrogen and hydroxyl ions would be called

What part of the Respiratory System works as a gate keeper to prevent water and food from going down the trachea? a Epiglottis b Uvela c Lungs d Trachea

How many grasshoppers are needed for a year supply of hens for the farmer each year

In a fixed medium, which of the following contribute to a higher-pitched sound? A. shorter wavelength B. higher amplitude C. higher wave speed D. more decibels

Cells are limited in size by their surface areas and?

In which way do viruses depend on living cells? a. they get nutrients by entering cells b. they get energy from photosynthesis c. they make copies of themselves using cell parts d. they develop into larger viruses using cell parts

Which statement accurately describes Gymnosperms select all that apply

Explain how the polyp uses its tentacles.