The parallax of a heavenly body measured from two points diametrically opposite on earth equator is 60 second if the radius of earth is 6.4 x 10 6 m determines the distance of the heavenly body from the centre of earth. convert this distance in a. u. given 1a. u = 15 x 10 11m. ?
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Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air