What is diffusion? * the movement of molecules against a gradient
the movement of molecules with low to high gradient
the movement of molecules with a gradient
the movement of molecules across into and outside our body

Which of the following are the ingredients that go into the plant and are needed for photosynthesis? select all that apply. 1.) soil 2.) seeds 3.) carbon dioxide 4.) minerals 5.) glucose (sugar) 6.) water 7.) light energy (sunlight) 8.) oxygen 9.) air

What is a sex-linked genetic disorder that disrupts the blood's ability to clot? a.achondroplasia b.huntington's disease c.hemophilia d.albinism

9. the history of life on earth is recorded in