Answer:
to help children learn more about their ecosystem and to give more knowledge
Explanation:
because we need to learn new things
Mass = volume x density
volume = πr²
since Diameter = 2.5 cm
then radius = 1.25cm
∴ volume = π x (1.25cm)³
≈ 6.1359 cm³
Thus mass = 6.1359 cm³ x 11.34 g / cm³
= 69.58 g
B, C, D are compounds, while A and E are just element stand-alones.
My professor told me to use a 500ml beaker depending on what your mixing.
