While walking home on a dark night, joanna saw a bright light in the sky and concluded that it must have been a spaceship from another planet. which of these questions could joanna answer using scientific methods of investigation? a) can aliens read our minds? b) does joanna actually believe in aliens? c) what is the aliens spacecraft made from? d) what percent of people in the area saw a bright light that night?

Adrought killed all the plants in an agricultural farmland. gradually, due to wind and some birds for. nearby areas, new plants started sprouting l. what stage of succession was taking place in the farmland? a) competition b) nudation c) ecesis d) reaction e) migration

About how much of the cell mass is watet

Astudent wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. to test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type of soil. the student measured the growth at the end of the week. all plants received equal amounts of water and sunlight. if you were asked to graph this data, what would you place on the x-axis? a. fertilizer b. water c. plant growth d. week one