The TWO kingdoms whose members make their own food via photosynthesis are 1.fungi & protist
2.plant & protist
3.eubacteria & archaebacteria
4.protist & animal

Each nephron is made up of capillaries that form the __ sweat glands bladder glomerulus ureter

Select all the correct answers. which statements fail to meet the requirements of a scientific claim? a). in the final 100 meters of a 10,000-meter race, an athlete's speed is more strongly related to anaerobic efficiency than to aerobic efficiency. b). flowers that reflect the most ultraviolet light are more likely to attract bees and other pollinators than flowers that reflect less ultraviolet light. c). the evidence supporting newton's laws of motion was accurate in newton's time, but the universe operates differently today. d). even though evidence indicates that the solar system's planets follow elliptical paths, copernicus's model involving circular orbits is true.

Which substance is a greenhouse gas that is emitted by human activities, is the most widespread, and remains in the air the longest?