What process is a method of heat transfer but does not contribute significantly to heating the surface or atmosphere of the earth? a) conduction b) convection c) insulation d) radiation

How many neutrons does element x have if it’s stormy umber is 33 and it’s mass number is 95?

Ogle–2013–blg–0723 is an exoplanet that is similar to earth in size and proximity to its star. this exoplanet has mass m=4.18×1024kg and radius r=5.66×106m. an astronaut whose weight on earth is w=735n lands on the planet. a. calculate m, the mass of the astronaut. b. calculate gp? , the acceleration due to gravity on the surface of ogle–2013–blg–0723. c. calculate wp? , the weight of the astronaut on the surface of ogle–2013–blg–0723. d. calculate v, the minimum velocity required to put an object into orbit above ogle–2013–blg–0723. e. calculate t, the time required to complete an orbit around ogle–2013–blg–0723.

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge