There are no pesticides used in the U. S. today.

True

False

Which is a process involved in the formation of sedimentary rock?

When sodium metal is placed in water it releases large amounts of heat and light. What kind of a reaction is this an example of? A. a fusion reaction B. a fission reaction C. an exothermic reaction D. an endothermic reaction

Molecules of dna are composed of long chains of

What would be a likely outcome to the nitrogen cycle, if the population of nitrifying bacterial severely decreased?

Hich is the function of the bark or cork of a woody stem? It protects the inner cells. It produces xylem and phloem. It supports the weight of the tree. It transports food through the stem.

Explain in at least five sentences what you've learned about how global warming and climate change are impacting our Earth in different regions of the world.

True or false: the northern lights are caused by earth magnetic field

What is the name of the family that humans are classified in?

Which process produces a greater number of offspring? chromosome duplication asexual reproduction gamete formation sexual reproduction

Aquatic plants do not contain a) chloroplasts b) cells c) lignin d) nuclei e) chlorophyll