What does the cell nucleus contain
a. chromosomes
b. vacuoles
c. cytoplasm
d. chloroplasts

Which is the correct order in the scientific process? ask a question ® form a hypothesis ® make an observation ask a question ® make an observation ® form a hypothesis make an observation ® form a hypothesis ® ask a question make an observation ® ask a question ® form a hypothesis

Which of these parts of the membrane large moecules pass through it ?

Which short-term environmental change is most likely to lead to ground shifting, landslides, and the collapse of buildings or roads? forest fires flooding earthquakes