3. Water for photosynthesis is transported from the roots of a plant through the veins. Which of your three leaves do you think has the best water supply? Support your answer
with evidence using your leaves.

Air pollution is only caused by human activity, select the best answer from the choices provided ot of true or false

One statements is an example of a scientific observation. another statement is an example of a scientific explanation. identify the correct statement for each category to illustrate how scientific explanations are inferred from scientific observations.

Are the earth's ocean floor and continents the same age geologically? why or why not?