Answer:
dyes used in negative staining have an. acidic chromagen (negatively charged chromophore) Examples of negative stains. NIgrosin and eosin. heat fixing smears can.
Answer:
igneous rocks - geosphere
oceans, frozen lakes - hydrosphere
gaseous nitrogen - atmosphere
sea animals, marine plants - biosphere
Explanation:
<span>Stramenopiles or stramenoplia.</span>
The test that they can use in differentiating the gypsum and
quartz which are considered to be minerals is the mineral test. The mineral
test can differentiate the hardiness of the minerals, as well as their;
acidity, magnetism, streak, specific gravity and even their tenacity.