Which of the following is an example of gene cloning? a. choosing to plant seeds from the reddest, juiciest tomatoes b. only allowing dogs to breed if they have good temperaments c. genetically modifying corn plants to produce the bt toxin d. the fastest deer surviving in the wild

Why are carbon dioxide concentrations expected to increase? a carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase b. carbon dioxide concentrations are expected to increase, because of an increase in agriculture. c.carbon dioxide concentrations are expected to increase, because more land will have to be cleared for increasing populations and agricultural use. d. all of the above select the best answer from the choices provided mark this and return save and exit next submit submit