Question # 58

Experiment: Plant growth at soil pH levels. pH 5 = 12 cm, pH 7 = 20 cm, pH 9 = 15 cm.

Which conclusion is supported?

Options:

A.

Plants grow best in neutral soil.

B.

Plants grow best in acidic soil.

C.

Plants grow best in basic soil.

D.

Soil pH has no effect.

Viewing question 58 out of 72 questions
Industry research shows that students who utilize ACT practice tests are significantly more likely to pass exam.


Our free ACT practice questions act as a diagnostic tool to give you a clear snapshot of your American College Testing readiness. Discover which topics are your strengths and, more importantly, which critical topics require your immediate attention.