The majority of carbon dioxide we exhale is produced in what

she forgot to record a transaction

thinking it would be d not too sure but i think it's right

hello

answer: collecting information/data

reason: the student is going around and asking people questions to collect data

i hope this

this age may represent the age of the earth's accretion, of core formation, or of the material from which the earth formed. this dating is based on evidence from radiometric age-dating of meteorite material and is consistent with the radiometric ages of the oldest-known terrestrial and lunar samples.