As scientists have developed more productive crop varieties, farmers have switched from growing many traditional varieties to new high-yield varieties. for example, in peru, there are about 500 native varieties of potatoes that indians once grew. this has been reduced to about 20 genetically improved potato varieties worldwide .besides the number of varieties of potatoes being reduced, what else is reduced by this practice? a) the potato gene pool b) human dietary choices c) types of soil nutrients d) food chains that include potatoes
Answers: 1
Biology, 21.06.2019 14:30
Which macromolecules are polymers made of nucleotides (a) fatty acids (b) nucleic acids (c) carboxylic acids (d) amino acides
Answers: 1
Biology, 21.06.2019 19:30
Indica el nombre y la fucion de los vasos sanguineos que entran y salen de los riñones
Answers: 1
Biology, 21.06.2019 21:30
Which sentence is an example of a strong conclusion to an autobiography? a. i stayed after school three days in a row to practice onstage in the auditorium. b. i knew i would have to practice all week to memorize my dance for the recital. c. after the recital was over, i knew practicing was worth it, and i was looking forward to my next big challenge. d. on opening night, i danced in front of a packed auditorium.
Answers: 2
Biology, 22.06.2019 09:50
Tropical rain forests support more species per unit area than any other terrestrial ecosystem. what is one way rain forests are important to the health of the biosphere?
Answers: 1
As scientists have developed more productive crop varieties, farmers have switched from growing many...
Mathematics, 02.02.2021 01:20
Chemistry, 02.02.2021 01:20
Computers and Technology, 02.02.2021 01:20
Mathematics, 02.02.2021 01:20
Computers and Technology, 02.02.2021 01:20
Mathematics, 02.02.2021 01:20
Mathematics, 02.02.2021 01:20
SAT, 02.02.2021 01:20
Chemistry, 02.02.2021 01:20
Mathematics, 02.02.2021 01:20
Mathematics, 02.02.2021 01:20
Arts, 02.02.2021 01:20