EX (i) Calculate the actual diameter of the pollen grain, between points X and Y on Fig.
6.2. Show your working and give your answer in micrometres (um).

Which would best keep the oxygen cycle stable? a. cutting down jungles to create farmland b. eliminating parks in large cities c. dumping toxic chemicals into the ocean d. reducing the amount of deforestation d. reducing the amount of deforestation

Pink fur (p) is dominant to purple fur (p) in hamsters. two heterozygous pink hamsters are crossed. what is the probability that these two parents will have an offspring with purple fur? 2/4, 1/2 or 50% 1/4 or 25% 3/4 or 75% 4/4 or 100% there is no chance for this type of offspring

Collin would like to use the data a coworker has entered in a database. the problem is the coworker's database software is different from collin's. collin should