Human activity has a great impact on the quantity and quality of local water supplies. humans can try to increase awareness and understanding with studying paths, pathogen, pollutants, etc. which will not change as a result of human activity and awareness? a) rainwater runoff into local streams b) pinpoint possible sources of pollution c) mapping local surface and groundwater paths d) studying of land use activities that affect local streams

Plants that have reproductive structures called cones are?

Acar company is testing seatbelts using crash test dummies. the company finds that when cars come to a sudden stop, the crash test dummies' bodies continue to move forward. the seat belt keeps the crash test dummies from hitting the back of the seat in front of them. why do the crash test dummies' bodies continue to move forward even though the car stopped? a. the friction opposing their bodies' movement keeps them in motion. b. the inertia of their bodies keeps them in motion. c. the forward acceleration of the car keeps them in motion. d. the gravity pulling on the car keeps them in motion.

The frequency of alleles in a population that is in hardy weinberg equilibrium? a . changes in each successive generation b. is less important than the frequency genotypes c. shows evidence of the process of natural selection d. remains the same over several generations