3. How many moles of oxygen are required to react completely with 5.00 grams of hydrogen? 4. Iron (III) oxide, Fe 2 O 3 formed when iron, Fe, combines with oxygen in the air. How many grams of Fe 2 O 3 formed when 12.5 g of Fe reacts completely with oxygen?

Which of the following is an example of a parasite?

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

What does the cell nucleus do or, how does it function?