Penicillin is an antibiotic that was discovered in 1928. Today, many species of bacteria have acquired resistance to penicilin This adaptation occurred as the result of

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.

the actual answer was 160934

what is shown in the image?

eukaryote

chloroplast

mitochondrion

submitted

phaneritic textures in which phaner means visible so phaneritic textures are standard of impertinent volcanic rocks. these rocks crystallized gradually under the surface of earth. when the magma cools deliberately then the ores have chance to develop and produce long crystals.