Answer:
The correct answer is - C) pH paper + Phenol red.
Explanation:
Iodine is a reagent and indicator that is used to test confirm the presence of the starch in the sample by producing its characteristic blue-black color.
pH paper is an indicator that helps in telling about the pH level of a specific sample or solution by changing its color.
Biuret reagent is used to test for the presence of protein as it identifies peptide bonds in a solution.
Benedict's solution is an indicator that is used to confirm the presence of simple sugar in the solution or sample.
Phenol red solution is used as a pH scale to identifies the pH value of a sample or solution.
Sudan Iv is used to find the lipids and fats in the sample or solution.
Thus, the correct answer is - C) pH paper + Phenol red test for similar conditions.
B potential energy because it is staying in one place so that means that it has potential to be something, so therefore it is potential energy.
Penicillin was an accidental discovery I believe
The correct answer for this question is this one:"Blood flows through capillaries relatively slowly, allowing sufficient time for diffusion or active transport of materials across the capillary walls. In this way, the histological structure of capillaries permits a two-way exchange of substances between blood and interstitial fluid"
Hope this helps answer your question and have a nice day ahead.
The marine biome
Explanation:
Marine algae supply much of the world's oxygen supply and take in a huge amount of atmospheric carbon dioxide. The evaporation of the seawater provides rainwater for the land.