A, because, the entire point of his theory was to prove that changes don't happen spotaneously!
Answer: Definition and models Contamination alludes to the presence of a substance or substances in the climate that is unsafe or harmful. The substances or poisons might be hurtful to human wellbeing, different creatures, and plants. When something hurtful enters the climate at a quicker rate than it tends to be scattered, there is contamination. or Contamination is that the presentation of hurtful materials into the climate. These unsafe materials are called toxins. Poisons might be normal, as volcanic debris. they'll even be made by human activity, similar to waste or overflow created by industrial facilities. Contaminations harm the norm of air, water, and land. Explanation: Both describe what pollution means I hope this helps you
To know where to start and to have a model to follow
Thank you for posting your question here at brainly. I think the true statement about what occurs in the chemical reaction of cellular respiration is "The reactions within cellular respiration are both aerobic and anaerobic Energy from the sun is converted in to sugars."