1. Which of the following is NOT a major source of freshwater pollution? A. Human and animal wastes
B. Industrial wastes
C. Wetlands
D. Agricultural chemical
in

2. Pesticides are most likely to be found in runoff from
B. Roads
C. Farm fields
D. Homes
E. Factories

3. What is an estuary?
A. A coastal inlet where fresh and salt water meet.
B. A tropical grassland
C. A river that flows into a larger river
D. A landform with high elevation and high relief.

Hi can y’all help me answer does just started 6th grade .. I will give you brainlest plz help

Sally and sue were investigating the topic of friction in science. they used a small car and a ramp as seen in the picture to test what they were learning. they knew that they slipped easily on waxed floors but not on carpet, so they decided to change the material on the surface of the ramp to see what happened. they planned to use glass, carpet, aluminum foil, and sandpaper and run the car down the ramp over each surface. what would be the best research question to guide the girls' experiment? a) does the amount of surface area affect the friction on the moving car? b) will the car travel fastest on the glass surface? c) how does the angle of the ramp affect the speed of the car? d)do rougher surfaces tend to create more friction than smooth surfaces?

Which statement about the pancreas is not true? a. it is an endocrine organ in the abdomen. b. it release chemicals into the digestive system. c. it releases insulin to increase glucose levels. d. it release hormones into the bloodstream.

What factors contribute to the effect an environmental toxin has on the human body?