Macy observes the lake near a park is covered in green slime. over a few days she sees that the fish in the lake have started dying. what could
be a possible cause of this situation?
o
a.
the acid level of the lake has increased.
o
b.
an algal bloom has drained the lake of oxygen.
o
c.
industrial chemicals have poisoned the lake.
o
d.
the sediment level of the lake has increased.

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?

What are the seven economic and social goals?

Dan made the table shown to describe two different relationships between animals. organism interactions relationship a relationship b one organism lives inside the organism it feeds off no organism is harmed which of the following statements is most likely correct?