Steve traveled the first 7 hours of his journey at 40 mph and the last 9 hours of his journey at 50 mph how long is the whole journey in miles

Which of the following is not a benefit of green revolution? a) new crop varieties b) increased crop yields c) cost effective d) new crops may require larger amonts of water than the previous ones.

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

What initially causes a nerve impulse? release of enzymes out of the neuron movement of chemicals into the dendrites of the neuron pathogens attacking the dendrites of the neuron red blood cells bathing the neuron