What periodic trend do both of the arrows most likely represent?

When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity

How many copies of genes do gametes have?

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