Fracking is used to extract what?

A) coal

B) natura gas

C) all of the above

D) petroleum

What is the most common element in a star such as the Sun? Select one: a. helium b. oxygen c. nitrogen d. hydrogen

Describe the weather in the United States during an El Niño winter. A) warmer throughout the country and more rain. B) rain in the South; dry and warm in the North. C) dry and warm in the South; cold and snowy in the North.

Whats 125 degrees celsius to fahrenheit

Which of these is a physical property? flammability pH value reactivity with oxygen smell

Why is homeostasis important for cells as well as for an entire organism?

Parkinson's disease prevents the brain from properly sending motor signals to the consciously moved muscles of the body.

Is the human population growing logistically or exponentially?

How many synapses are crossed in a single reflex arc during a muscle stretch reflex?

Identify the benefits to native species of joining similar habitats with corridors.

4. what is the p-wave shadow zone and what causes it