What is the approximate date for the earth's formation?
a. 4 billion bc
b. 4.5 billion bc
c. 4,000 bc
d. 1 trillion bc
e. it was there forever

Quick i have a question on my exam review and i have my exam tmr. how does the taiga region change as your cross canada. make sure it’s canada!you : )

Drag each label to the correct location on the image.the diagram shows the development of the oocyte and the follicle during the menstrual cycle. identify at which sare at their highest and most active.progesteronelevels highestrogen levelsconsistently riseluteinizinghormone levelshighdeveloping follicleoocytemature egg

Plz asap can someone find the answer or the mark scheme or anything plzzz you : ) ‘it's perfectly understandable that hundreds of millions of people around the world live close to volcanoes’ use evidence to support this statement. (6 marks)