Which is one advantage of using a reflecting telescope instead of a refracting telescope? O Reflecting telescopes are less expensive.
O Reflecting telescopes produce clearer images.
O Reflecting telescopes require only concave lenses.
O Reflecting telescopes usually take up less space.

According to the diagram, what sources contribute to the phosphorus found in soil? according to the diagram, phosphorus found in soil contributes phosphorus to what other sources?

Which of the following is true about the speed of light? it depends on the wavelength.

Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.