Apopulation of birds has nesting sites for 500 birds and food for 400 birds. what is the limiting factor for this population? explain your answer.

One of the cell membrane's functions is to protect the cell keep wastes in the cell create new cells keep light out of the cell

If 3.00 g of titanium metal is reacted with 6.00 g of chlorine gas, cl2, to form 7.7 g of titanium (iv) chloride in a combination reaction, what is the percent yield of the product?

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.