What observation did darwin make that suggested there had been geological changes in earth's history? a. giant tortoises b. fossils of giant sloths c. fossil shells on top of mountains d. an absence of rabbits in south america

Based on this map, which statement about africa’s economic activity is most accurate? a) coastal countries are all members of opec b) economic development is more common with opec nations c) coastal countries have more access to productive resources d) economic development is more common above the sahara desert

The red square is a famous historical site that is located in

The distance a car travels between the time the driver decides to stop the car and the time the driver puts on brakes is called the reaction distance. how does the reaction distance change with speed? a.reaction distance decreases with with speed b.reaction distance stays the same with speed c.reaction distance increases with speed. d.there is not enough information to answer the question