Question

The surface temperature of a star can be estimated based on the star’s
a) size.
b) color.
c) age.
d) mass.

Answer 1

b. its color i think!

Answer 2

yep its color!

Answer 3

Thank You! @XxbulldogsxX

Answer 4

no problem

Answer 5

:D

Answer 6

The diagram below illustrates substances crossing the selectively permeable membrane of different cells. Each example, A-F, shows not only different substances, but also different concentrations. Take note of the concentration inside the cell compared to the concentration outside of the cell and the direction of movement of the substance.

650-01-03-04-00_files/i0060000.jpg
Figure 3-1

Diagram C in Figure 3-1 is an example of ____.
a.
diffusion
c.
osmosis
b.
active transport
d.
equilibrium


Please select the best answer from the choices provided

A
B
C
D
Mark this and return

Answer 7

do you know this ?

Answer 8

:D

Answer 9

nvm