How do astronomers know that dark matter exists? A. Because it emits electromagnetic radiation
B. Because it can be directly observed
C. Because its gravity affects the motion of objects around it
D. None of the above

C. Because it's gravity affects the motion of objects around it.

hi, natural selection of the peppered moth during the industrial revolution in 19th-century england is an example of an outlier in the study of evolution. during this time, pollution from factories filled the forests, coating trees in a layer of soot—turning white trees black

mark as brainlest

gokuson

b. read the phase at the intersection of any given temperature and pressure.