10. what are flood basalts? a. a series of volcanic eruptions that cover large stretches of land. b. organic compounds in trees. c. a series of rocks that are parallel to each other. d. some type of mountains. e. lands covered with floodwater.

option A is correct

A series of volcanic eruptions that cover large stretches of land

Explanation:

flood basalts

flood basalts is high volume eruptions that the flood vast areas of the Earth

and that is the result of  giant volcanic eruption or  the series of eruptions

and it is depend upon the range of factors that is continental configuration and rate , volume , latitude and duration of eruption

and that is cover very large area of land or ocean floor with  the basalt lava

and Flood basalts are characterized by fissure type volcanic eruptions

so here

option A is correct

A series of volcanic eruptions that cover large stretches of land