PLEASE HELP ME IF CORRECT PLEASE The rock shown below has a layering of black and white
bands. The light bands and dark bands contain different
mineral crystals.
In what type of environment did this rock sample most likely form?
A. At the bottom the ocean
B. Just below Earth's surface, near an active volcano
C. Aboveground
D. Deep below ground, after being exposed to extreme heat and pressure

Which is an important function of normal flora? a. aid with bone marrow production. b. crowd out pathogenic bacteria. c. destroy digestive track pathogens. d. manufacture iron in the bloodstream.

Which of the following types of stars is most likely to end up as a supernova? in graph a, the curve peaks at 800 nm, in the red section of the visible light spectrum. in graph b, the curve peaks at 550 nm, in the green section of the visible light spectrum. in graph c, the curve peaks at 450 nm, in the blue section of the visible light spectrum. in graph d, the curve peaks at 300 nm, in the violet section of the visible light spectrum. a b c d

Which is a function of vascular tissue? a. to perform photosynthesis b. to transport water and nutrients c. to absorb minerals and sugar d. to interact with soil fungi