How do the cells of unicellular organisms differ from the cells of multicellular organisms?
a. it's specialized
b. it never replicates
c. it performs all functions
d. it's large

Ascientist has predicted that the population of earth will continue to grow exponentially until the year 2300. at that point, we will reach carrying capacity of earth’s resources, and population growth will plateau. if the scientist’s prediction is correct, what can you predict about human energy use at that time? justify your answer by explaining the relationship between population growth and energy use. (5 points)

Which best explains why the number of states in the world increased significantly between 1985 and 1995? the map of southeast asia was redrawn, and new countries were formed. new states were formed when the soviet union collapsed. many african states received independence from their colonizers. communist countries seeking to spread their influence created new satellite states. civil wars in central america fueled the creation of new states.

The medium that carries message signals from senders to receivers of communication is