Carbon dioxide is released through
a. burning of forests
c. combustion of fossil fuels
b. respiration
d. all of the above

Which one of these is a involving in both sexual and asexual reproduction

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.

Which of these parts of the membrane large moecules pass through it ?