The solar energy falling on the ocean is 1.7 x 10^6 kJ m^-2year^-1 and the phytoplankton are able to use 18 754 kJm^-2year^-1 of this. i. Calculate the percentage of the Sun’s energy that is used by phytoplankton. Show your working.

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

Is it greater than or less than7*3_9*2

How can you find the mean absolute deviation (mad) for this set of data?