A researcher is doing an experiment to test the effectiveness of antibiotics against Strep throat bacteria (Streptococcus). The researcher uses a petri dish filled with the bacteria and then adds penicillin, a type of antibiotic. Within two days, the pathogen’s population decreases by 99 percent. Over time, the population begins to increase and continues to survive, even with doses of penicillin in the petri dish. This is an example of

the elements of art are the visual tools that the artist uses to create a composition. these are line, shape, color, value, form, texture, and space.

the principles of art and design are balance, contrast, emphasis, movement, pattern, rhythm, and unity/variety.

the answer is c. altitude. hope this ! #brainiac

there is not 1 highest source of protein, but there are many; meats, fish, poultry, seafood, cheese, eggs, yogurt and milk. the only non complete animal food that is beneficial is gelatin.

sorry if this did not , have a great day!

some inherited genetic mutations can be good for the offspring, so the answer is different genetic mutations cause many forms of cancer.