The temperature of a star is 6000K and its luminosity is 1000. Which type of star is it? O A
white dwarf
OB.
main sequence star
O c.
giant
OD.
supergiant

Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

The organelle pictured is found in cells of and is theorized to have once been an independent organism.