The vertical sequence of the layers of soil is called a soil
a. dynasty.
b. profile.
c. horizon.
d. family

first industrial revolution - the first wave of the industrial revolution lasted from the late 1700s to the mid-1800s. it industrialized the manufacture of textiles and began the move of production from homes to factories. steam power and the cotton gin played an important role in this period.

the answer is b. hope this