10) What was a positive effect of the green revolution?
A)
High yields of grains
B)
Profit for small farms
o
Excess use of fertilizer
D)
Excess use of pesticides

What have we learned from fossil evidence about evolution? a) it is an abrupt change. b)the process is observable. c) it takes place during one lifetime only. d)the most complex traits are always selected.

A60-tooth gear is connected to a 72-tooth gear.if the smaller gear turns 12 times,how many turns does the larger gear make?

What type of graph presents information about how often certain or traits occur?