explain why water and its physical properties are so essential for life on earth to have evolved? you must use the proper scientific terminology.

okay i have so many questions. but the big one here is: um wt..f is this mess? ?

he made 11 calls in one day

see the picture for the vector

the magnitude of the vector by pythagorean theorem

r = √( (-10)^2 + (3)^2 ) = √109

magnitude = √109 units

the direction angle between vector and x-axis is

tan^(-1)(3/10) = 16.699

so the direction is approximately 16.7 degrees north of west

it was given as a lesson and guide for prayer.