Which type of scientific statement is defined as a statement of fact that is generally accepted to be true and universal because
it has always been observed to be true?
theory
probability
law
hypothesis

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.

ans.

gregor john mendel is known for study of inheritance in pea plants. he used garden pea plant for his study, having alternative traits for various characters. he performed cross-breeding in pea plants to check how characters are transmitted between parents to offspring, such as cross between pure tall and pure dwarf plant. mendel studied the inheritance patterns in pea plants for various generations.

thus, the correct answer includes options and f).