How many Significant Figures are in 45.000?

Assume a cell membrane is permeable to water, but not to Na + or Cl - or any other solute. The NaCl concentration is higher outside the cell than inside the cell. The total solute concentration (osmolarity) is higher inside the cell than outside.

The speed of a wave is 65m/sec. if the wave length of the wave is 0.8 what is the frequency of the wave

Photosynthesis produces movement in plants converts light energy from the sun to chemical energy stored in glucose converts chemical energy into food that can be eaten by the plant is responsible for converting oxygen into carbon dioxide

What type of change is the process of solid ice changing into liquid water?

Would you classify silicone as a element or compound

Acids A) are generally proton donors B) produce H + ions in solution C) are electron pair acceptors D) may include all of these characteristics

3.011 x 10^23 atoms F in grams

What would you use if you needed to determine the density of an object? balance and graduated cylinder balance and scale scale and spectroscope

What are two forms of friction that oppose the motion of a moving car

How are models related to theories and hypotheses