Which of the following words best describes the nature of scientific knowledge?

absolute

unchanging

evolving

unreliable

Rachel ate a piece of fruit and happened to drop the seeds in her backyard. after a few weeks, she saw a small plant with flowers growing in the backyard. which group does this plant belong to? a. angiosperms b. gymnosperms c. pteridophytes d. bryophytes e. chytrids

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.

Moving down the ramp from 6 meters to