Course adjustment is a type of knob used to focus and bring the object in the microscope.
Option (c);
<u>EXPLANATION: </u>
- There are different powers of Objective lenses on a microscope.
- The shortest lens is of the lowest power and the longest one is of the largest power.
- We start by rotating the objective lens from the lower power and the coarse adjustment knob is used to focus on the object.
- On both sides of the microscope, we can see this knob and it moves the plate (the place where slides are placed for observation) top to bottom and brings the object into focus.
im adopted my my grandparents and i refer to them as my grandparents unless i have to fill out papers
mark brainliest
I think it is phytoplankton:)
Cells in our body is one answer
C
The hygroscopic nature of lichen also does not allow them to survive highly polluted environments. This is because they will also absorb the toxins from the atmosphere into their systems. The toxins will then affect their growth, negatively.
Explanation:
Lichen is one pioneer species in primary succession. They have undefined roots hence do not require soil and can grow on rocks and break them down slowly by chemical weathering (using excreted organic acids). More so lichen does not need to absorb nutrient via roots because the organism is a symbiotic relationship between fungi and algae. The algae can use photosynthesis to manufacture food while the fungi complex hyphae that surround the algae can absorb water & nutrients from the air due to their high hygroscopic nature.
Learn More:
For more on lichen check out;
brainly.com/question/13022138
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