Please help !!!!!

When a single manufacturing process yields three products, two of which have a

relatively high sales value compared with the other one, the two higher valued products

and the other one are respectively known as:

A. joint products and by-product

B. joint products and scrap

C. main products and by-products

D. main products and joint product

E. none of the above

Researchers in the social and behavioral sciences are increasingly using evolutionary insights to test novel hypotheses about human psychology. Because evolutionary perspectives are relatively new to psychology and most researchers do not receive formal training in this endeavor, there remains ambiguity about "best practices" for implementing evolutionary principles. This article provides researchers with a practical guide for using evolutionary perspectives in their research programs and for avoiding common pitfalls in doing so.

1. For Metastasis to occur several things must happen state them all;

2. Explain the canonical mechanism of cancer

3. Explain the epigenetic changes of cancer;

4. Mention three advantages of unicellularity.

5. Mention three disadvantages of unicellularity.

6. Mention any two advantages of multicellularity.

7. Mention any two disadvantages of multicellularity.

8. Differentiate between unicellular and multicellular organisms.

9. What is the significance of modern cell theory?

10. What do you mean by cellular totipotency?

11. What does the cell theory state?

12. What are the fundamental features of the cell theory?

13. What does the cell doctrine or modern cell theory or cell principal state?

14. What are the objections of modern cell theory?

15. Mention some methods where cellular totipotency is being extensively used.