Which statement about science is true?
choose one answer.
a. it assumes that the natural world works according to rules that do not change unpredictably.
b. it attempts to explain the mysteries of the supernatural world.
c. it deals mostly with things in the synthetic or unnatural world.
d. it asserts that although the boiling point of water is 100 degrees celsius today, it may be different in the future.

The correct answer will be option- A.

Explanation:

Science is the study of the natural world around us which tries to explain the mysteries of the natural world based on the facts.

The science demystifies the mysteries of the natural world on the basis of experiments and the predictions. This explains that the world is stable and is interlinked with each other which work on the universal laws and rules.

These rules and laws do not change instantly and unpredictably and if changed will cause instability in the world.

Thus, option- A is the correct answer.

the element that provides strength to the exoskeletons of clams and oysters is phosphorus.

this is so because calcium carbonate is the main component in the shells. calcium carbonate is strengthened by phosphorus.

explanation:

the answer to your question is b