What is caused by the gravitational attraction of the moon and the sun

a. gravity
b. tides
c. wind
d. air pressure

These factors threaten north americas ecosystems

Migrant workers who fill employment needs in their host country often send remittances to their home countries

Which event most likely explains renewed demand in a recovery period? consumers choose to save more and spend less. economic policy renews consumer confidence and demand. producers decrease prices to prompt demand and recovery. production decreases to prompt increased demand.