Global warming is the answer
Answer:the action or fact of forming a united whole.
"the work at present lacks cohesion"
Similar:
unity
togetherness
solidarity
bond
sticking together
continuity
coherence
connection
linkage
interrelatedness
PHYSICS
the sticking together of particles of the same substance.
Explanation:
"The half of the Moon that points toward the Sun looks bright because it is lit by sunlight. The Moon appears to change shape because we see different amounts of the lit part as the Moon orbits Earth. ... As it moves around Earth, more and more of the lit side comes into view."