A sample of potassium has the following composition. Isotope: 39K 40K 41K
% abundance: 93.22 0.12 6.66
Calculate the relative atomic mass of this sample of potassium, giving your answer to two decimal places.

Gymnast always perform on padded mats. how does the mats protect the gymnast

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

How is the shape of the poem “peer” connected to its meaning?