Answers The theory that new organs or characteristics develop in organisms when there is a need… The theory that new organs or characteristics develop in organisms when there is a need for them was postulated by A. Charles Darwin B. Jean Lamarck C. Gregor Mendel D. Wallace E. Louis Pasteur Correct Answer: Option B Explanation
Answers The ground distance along the river from the confluence of Rivers Obe and Opi to… The ground distance along the river from the confluence of Rivers Obe and Opi to the bridge across… Read More
Answers A substance has a half of 3mins. after 6mins. the count rate was observed to… A substance has a half of 3mins. after 6mins. the count rate was observed to be 400. What… Read More
Answers (i) What is the effect of gravity on plant growth? (ii) Describe an experiment… (a) (i) What is the effect of gravity on plant growth? (ii) Describe an experiment to demonstrate the… Read More
Answers it would appear that the manager feels that the secretary Manager: Mr.Mbu, I would not describe you as an inefficient worker; I therefore find it difficult to understand… Read More
Answers Atoms of element X (with 2 electrons in the outer shell). combine with atoms of… Atoms of element X (with 2 electrons in the outer shell). combine with atoms of Y (with 7… Read More