Question

a) Even though the government has said that we have to maintain social-distancing four friends Alan, Bonny, Clark and Daniel met at a restaurant for a reunion. It has been two years since they've seen one another. If all friends shake hands with one another, a generalization can be made as to how many handshakes are made?


We can represent these as AB, AC, AD, BC, BD, CD where AB represents the Alan - Bonny handshake.


b) What if there were only one friend? Two friends? Three friends? Four friends? What if a friend Evan joins them?

make a table to show your understanding

Answer 1

Answer:

Phloem is made up of the following components – sieve tubes, companion cells, phloem parenchyma and phloem fibres. Phloem conducts food in both directions. Among all the components, phloem fibres are the only dead cells.