Use the drop-down menus to answer the questions about the diagram. Letter H is a(n)
.

Which of these is youngest?

Which of these was eroded?

Which happened first?

It's a

Naoh + hbr -> nabr (salt) + h2o ca (oh)2 + 2hbr - - - > ca (br)2 + 2h2o

The surface of the water droplet is held together by the attraction between molecules. in order for water to flow more easily into these small spaces, you need to decrease its surface tension. you can do this by adding soap, which is a surfactant (a material that decreases the surface tension of a liquid).

4km is the total temerature change between 3 km and 7 km