How is atmospheric oxygen linked to the carbon cycle?

What mass of carbon dioxide is produced from the complete combustion of 4.50×10−3 g of methane?

Sarah wants to know where in her garden chamomile would grow the best. she thinks chamomile will grow best in the corner of the garden that gets the most sunlight. to test her hypothesis, she decides to plant several groups of chamomile in her garden as an experiment. which of the following variables will sarah need to measure to know which group of plants grew best? a. the location of the plants b. the type of plants c. the height of the plants d. the amount of water she gives the plants

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years