Alternative to metal extraction

A rock containing a metals is called an

There are two types of ore a high grade and a _______ grade ore,

What are the problems with traditional mining? Tick all the correct answers.

• digging

• moving rocks

• disposing of unwated rocks

• destroying habitats

Which method of metal extraction uses plants?

• Bioleaching

• photosythesis

• fungus

• phytomining

What type of living thing does bioleaching use to extract metals?

• virus

• fungus

• bacteria

• plants

In phytomining, plants are grown on soil containing ______ grade ore.

• high

• low

Which is the correct sequence of events for phytomining?

• grow - burnt

• grow - harvest - react to from a solution

• grow - harvest - burnt - react to from a solution

• grow - react to from a solution - harvest

In bioleaching, bacteria are grown on low-grade ore, produce a ______________ .

• bioleach

• leachate

• biogas

The solution formed in bioleaching and phytomining contains a _______________ concentration of metals than found in the low grade ore.

• lower

• higher

• same

How are metals extracted from the metal solution? Tick all the correct answers.

• Displacement

• electrolysis

• distillation

• evaporation