Oincrease the magnification of an image with a magnifying glass, you can a. shorten the focal length of the lens. b. place the object on top of the lens. c. shorten the distance between the object and the lens as much as possible. d. elongate the focal length of the lens.

Can someone me with 1 to 4 plz. fast

Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth

When did stem cell research become known ? who discovered stem cell? what experiments or studies have been conducted so far?