9. What are the two internal organs responsible for Digestion? A. Heart and Lungs C. Brain and Kidney B. Bones and Muscles D. Stomach and Intestine please answer this I really need it now☺️☺️

Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .

Ascientist is designing an investigation to study the impact of invasive bird populations on local, native bird populations at backyard bird feeders. what population is most likely to be a control group for the investigation? amount of food number of bird feeders invasive bird populations local backyard birdfeeders without food

Agroup of students are walking in the park and one of them takes a picture of a pollen grain that is been blown by the wind what caption can the student use for this picture