Answer: mathematics
Explanation:
Mathematics is the study of quantity, space, structure of a concerned entity or population size. A scientific experiment may be based on the analysis of variables must be having large sample size. Therefore, quantitative estimation of the results is required. Hence, a scientist requires mathematics to interpret the results of a scientific experiment.
Respiratory- You breath faster to help supply the muscles with more oxygen.
Integumentary (skin) - Sweat helps cool down the body.
1. Proteins are denatured which makes it impossible for them to duplicate. (Proteins, are found in DNA)
2. Differing microbial organisms have different niches.
Acidophiles= acid loving,
Thermophiles= heat loving, etc.
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These are the factors that determine a nation's human development index (HDI):
1. Average life and health expectancy
2. Education- literacy rates, and ratio of students who are enrolled in primary, secondary and tertiary levels
3. Individual income- a person’s income against the gross domestic product (GDP)