Biology, 18.04.2020 01:40 squawk1738
Which of the following is a benefit of introducing a variety of plants into a farm field, or of reviving older “heirloom” varieties of food plants such as potatoes and tomatoes? Select two correct answers.
A. better crop yields
B. protection of genetic diversity
C. reduction of the chance of pests destroying a crop
D. reduction of the amount of land devoted to agriculture
Answers: 2
Biology, 21.06.2019 22:20
Which of the following is a way that minerals are used? a. industry construction technology d. all of the above
Answers: 2
Biology, 21.06.2019 23:30
The organelle pictured is found in cells of and is theorized to have once been an independent organism.
Answers: 3
Biology, 22.06.2019 06:00
What element is able to combine with itself and hydrogen to form large molecules ?
Answers: 1
Biology, 22.06.2019 07:50
Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers
Answers: 3
Which of the following is a benefit of introducing a variety of plants into a farm field, or of revi...
Geography, 02.06.2021 02:00
Mathematics, 02.06.2021 02:00
Mathematics, 02.06.2021 02:00
Physics, 02.06.2021 02:00
Chemistry, 02.06.2021 02:00
Chemistry, 02.06.2021 02:10
Mathematics, 02.06.2021 02:10
Mathematics, 02.06.2021 02:10