Answer:
Structureless rocks like granite and other intrusive rocks tend to weather into characteristic rounded shapes through this process.
Explanation:
3 significant figures.
Helpful tip for sig figs: Your answer can only be as accurate as your least accurate measurement
Answer:- C. Hafnium.
Solution:- Mass of the sample is 46.0 g and it's volume is .
From mass and volume, we can calculate it's density using the formula:
On the basis of the density, this substance could either be mercury or hafnium. Since the substance is a solid at room temperature where as mercury is liquid. So, it can't be mercury.
The right choice is C) Hafnium.
A.) All cells come from pre-existing cells. ~ rats don’t just appear in your house