2. To focus a microscope using the high power lens you must first in low power center the specimen and make sure it is in focus. Then switch to high power and adjust using the fine adjustment or the smaller knob.

3. It prevents dust from settling on the scope and in the lenses.

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3 years ago

A height above sea level of a point on surface is known as its?

Tcecarenko [31]

Elevation because it means the level of a point surface height above the sea level

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3 years ago

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What are some ways to increase carbon dioxide? To reduce carbon dioxide?

Brut [27]

Some ways to increase carbon dioxide and To reduce carbon dioxide:

WAYS TO INCREASE CARBON DIOXIDE

Consuming electricity: The main reason for the $CO_2$ emission is the burning of fossil fuels. 41% of the $CO_2$ emitted in the US form generating electricity.

Deforestation: cutting of trees increases the $CO_2$ in the atmosphere.

WAYS TO REDUCE CARBON DIOXIDE:

Reuse and recycling: By buying used products and reselling or recycling are reduce your carbon emissions.

Planting more trees: trees are used to stored the removed $CO_2$ from atmosphere $CO_2$ helps the plants for photosynthesis. so plant more trees.

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3 years ago