Which statement provides the strongest evidence that birds evolved from dinosaurs A. A fossilized nest of the herbivorous dinosaur Brachiosaurs shows that it laid eggs

B. Fossils of the beaked dinosaur Ankylosaurus show that it had modified scales that produced hard bony plates

C. A fossilized rib cage of the semi aquatic dinosaur Spinosaurus shows that it had lungs

D. Fossils of the winged dinosaur Archaeopteryx show that it had modified scales that produced feathers

Match the digestive enzymes to the macromolecules they to digest. break down fats into glycerol and fatty acids break down carbohydrates into simple sugars break down nucleic acids into nitrogenous bases and simple sugars break down proteins into amino acids

Melissa lives in a town called greendale. she discovers that when she lights a match and holds it near her kitchen faucet, the little flame grows into a larger fire. melissa is surprised because she thought the water would extinguish the flame rather than ignite it further. her mother tells her that the water might be contaminated with dissolved methane, a primary component in natural gas. melissa investigates the matter and finds that cases of methane contamination started shortly after a company began fracking for natural gas in the area. based on this information, which three statements are plausible consequences of fracking in greendale?

In the diagram below, the northern hemisphere would be in what season at position a a. fall b. winter c. summer d. spring