How many tons of soil is eroded each year in the united states A. 20.5 million
B. 95.6 Million
C. 1.6 Billion
D. 22 Billion

Iwill give brainiest to first person who gets it ! what are 3 basic types of interactions we see in an ecosystem?

What abo controlling alleles could kim give her child

Plz ! for many generations farmers in north america have been choosing to cross corn plants with large ears of corn each year this results in the new generation of plants also growing large ears of corn. what is the technique called? a. selective breeding. b. natural selection. c. mitosis. d. asexual budding.