I'll answer number 3 for you.
Which are decomposers within a spruce-fir forest ecosystem?
the answer is mushrooms.
Some mushrooms are known for growing over dead things..... I think.
it forms covalent bonds by sharing electrons
Answer:
dies of a undignosed disease at age 7
Explanation:
A terminally ill 7-year-old girl — who two years ago received Christmas cards from well-wishers around the world — died Friday at her Sanpete County home of an undiagnosed disease that had caused her to stop growing at age 3.
Answer:
Eukaryotes are organisms whose cells have a nucleus enclosed within a nuclear envelope. Eukaryotes belong to the domain Eukaryota or Eukarya; their name comes from the Greek εὖ and κάρυον. The domain Eukaryota makes up one of the domains of life in the three-domain system; the two other domains are Bacteria and Archaea. Eukaryotes represent a tiny minority of the number of living organisms; however, due to their generally much larger size, their collective worldwide biomass is estimated to be about equal to that of prokaryotes. Eukaryotes evolved approximately 1.6–2.1 billion years ago, during the Proterozoic eon.
Explanation:
Galaxy , solar system, planet, moon
