Sounds are produced by the of an object or a column of air.

How do living things obtain phosphorus

What will happen if deforestation continue to destroy the green plant on the planet

Sort the examples by the type of diversity that they exhibit a park has 80 species of trees red, yellow, and orange bell peppers are all members of the same species individuals of the same lizard species have different mating strategies. five different bird species are at a bird feeder. genetic diversity species diversity