Maybe try looking it up or ask ur teacher for help
Answer:
How invisible particles can be observed in outer space. ... We call this invisible mass dark matter since it cannot reflect light. Gravitational effects are only way we can detect its presence.
The answer to the question is C
Answer:
in order
lobster and cranberries if lobster counts if not just cranberries
sugar maple trees
granite
Explanation:
good luck :)
An implicit agreement among the members of a society to cooperate for social benefits, for example by sacrificing some individual freedom for state protection. Theories of a social contract became popular in the 16th, 17th, and 18th centuries among theorists such as Thomas Hobbes, John Locke, and Jean-Jacques Rousseau, as a means of explaining the origin of government and the obligations of subjects.