If a substance has a density of 2.5 g/ml and the volume of the substance is 8 ml, what is the mass of the substance?

8 g

20 g

3.2 g

0.3 g

20 points and brainliest
i need fast!

Question 3(multiple choice worth 4 points) (02.04 lc) which best describes the function of chloroplast? allows certa molecules to enter and exit the cell makes food during photosynthesis detoxifies waste products o packages proteins into vesicles

The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important

What’s the student’s scientific question