What are two types of chemical hazards that affect human health

Abnormal softening of a gland is known as

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

Why are current extinctions of concern to enviromentalists?