Ellen is jogging. as her body's metabolism becomes more active, carbon dioxide levels increase, resulting in a decrease in ph. fortunately, her in the blood protect against large changes in ph. select one: a. water b. dna c. buffers d. lipids

plant because they survive by water, sunlight, ex.

explanation:

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.