Radio telescopes measure the galaxy’s distribution of . hydrogen from which stars are formed

X-rays given off by black holes

photons from the sun

dust ejected from asteroid impacts on other planets

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