Which of these statements best describes how scientific ideas change (multiple choice) A. Scientific ideas rarely change because they are based on extensive Evidence

B. New evidence leads to modification of ideas.

C. Scientists form opinions based on evidence and decide how the idea should change.

D. As a scientific idea changes, it eventually becomes a scientific theory and then a law

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).

measuring light intensity

light meters can be used to measure light intensity. the meter is held at the soil surface and pointed in the direction of the maximum light intensity, and then the meter is read.

errors can be made when measuring light intensity by accidentally shading the light meter. the reliability of the results can be checked by taking many samples.