Match the word on the left with the definition on the right. black dwarf e. star left at the core of a planetary nebula

white dwarf g. a red super giant star explodes

nebula c. what a medium-mass star becomes at the end of its life

protostar b. a large cloud of gas or dust in space

supernova a. exerts such a strong gravitational pull that no light escapes
neutron star d. the earliest stage of a star ’s life

black hole f. the remains of a high mass star

Plz me ! 1 which of earths spheres contains most of its mass? a atmosphere b hydrosphere c geosphere* d biosphere 2 erosion and weathering are examples of which types of forces? a constructive forces b destructive forces* c gravitational forces d inertia-related forces 3 which of the following statements about earths atmosphere is true? a earths atmosphere contains 78% water vapor which is essentail to life b earths atmosphere contains 21% oxygen c earths atmosphere contains carbon dioxide which all life forms require d earths atmosphere allows radiation from the sun to pass through it and warm earths surface* 4 the strenght of the force of gravity between two objects is determined by which of the following factors? select all that apply a the messes of the objects* b the distance between the objects* c the volumes of the objects d the surface area of the objects 5 earth and moon are kept in there respective orbits due to the influence of a inertia b gravity c gravity and inertia* d neither gravity or inertia if you answer all questions right i will give

11) burning your hand when accidentally touching a hot plate is an example of which heat transfer? a. conduction b. convection c. radiation d. none of these

What extra step distinguishes fermentation from glycolysis