Misc: How many members of the Mamas & The Papas were there?

Questions

who was elia?

who wrote the thriller jurassic park?

in gardening what would you use a 'trug' for?

which herb whose leaves and blue flowers are both edible, is used in drinks such as 'pimms'?

from 1980 to 1995, which country produced the largest amount of crude oil?