Answer: Option B
Explanation:
Usually in scientific experiments, at least one parameter is checked; here, the growth rate of wheat in two different conditions is being evaluated.
Hence, growth rate of wheat alone in pans A, B and C becomes the standard or referential control against which the experimental control (Wheat + clover) in pans D, E and F is evaluated, since both treatments are exposed to the same external conditions.
I hope this helps
Hydrocarbons is the simplest organic compound mad by hydrogen and carbon
Answer:
Due to the presence of limited number of species.
Explanation:
Bear island provide a great opportunity to decipher entire food chains because this island has many animals species which interact with each other or depend on one another due to the presence of less animals for feeding purpose. This island is isolated from the rest of the world so it provide a great opportunity to study the entire food chains that are present at that island. There is less number of species so knowing about their feeding choices is easier for the ecologists.
What is the word that describes the path of the sun, moon and zodiac as they "move" across the sky? Ecliptic is the answer.
Thanks for the news. We'll look forward with great anticipation to any reports of the results of that experiment. Then, if the findings raise any questions in your mind that you'd like to discuss, we'll certainly help you work on them.