The diagram below shows a light ray striking medium a and medium b at the same angle. a rectangle labeled medium a is drawn on the left. a ray of light travels through air and strikes the surface of medium a making an angle of 50 degrees with the vertical. the light ray bends towards the vertical as it travels through medium a and makes an angle of about 15 degrees with the vertical. a rectangle labeled medium b is drawn on the right. a ray of light travels through air and strikes the surface of medium b making an angle of 50 degrees with the vertical. the light ray bends towards the vertical as it travels through medium b and makes an angle of about 25 degrees with the vertical. which statement is correct? the speed of the light ray is the same in air and in medium a. the speed of the light ray is the same in air and in medium b. light travels more slowly in medium b than in medium a because medium b is denser. light travels more slowly in medium a than in medium b because medium a is dense

Which best compares habitat and niche? o niche is a place in which organisms live, and habitat is the way in which an organism fits into its habitat. o habitat is a place in which organisms live, and niche is the way in which an organism fits into its habitat. habitat is a group of organisms that live in an area, and niche is a specific species that lives in that areao niche is a group of organisms that live in an area, and habitat is a specific species that lives in that area.

In 1959, doctors began using the powerful antibiotic methicillin to treat infections of staphylococcus aureus, but within two years, methicillin-resistant strains of s. aureus (mrsa) appeared. how did the resistant strains of s. aureus emerge? in 1959, doctors began using the powerful antibiotic methicillin to treat infections of staphylococcus aureus, but within two years, methicillin-resistant strains of s. aureus (mrsa) appeared. how did the resistant strains of s. aureus emerge? staphylococcus aureus bacteria that were able to synthesize cell walls using a protein that was not affected by methicillin survived the methicillin treatments and reproduced at higher rates than did other individuals. over time, these resistant individuals became increasingly common. in response to treatment of staphylococcus aureus infections with methicillin, some bacteria began to synthesize cell walls using a protein that was not affected by methicillin. these bacteria survived the methicillin treatments and reproduced at higher rates than did other individuals. over time, these resistant individuals became increasingly common. in response to treatment of staphylococcus aureus infections with methicillin, bacterial populations gradually began to synthesize cell walls using a protein that was not affected by methicillin.

Wich organism obtains its energy from dead or decaying matter