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Elodia [21]
3 years ago
8

2. What is the difference between a wave and a

Biology
1 answer:
never [62]3 years ago
3 0

Answer:

d A wave Carrie's electricity ,a particle carries a magnetic chaege

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If we have a plate that has 2500 colonies on it, can we use this plate to calculate CFU's
AleksAgata [21]

No, the solution with bacteria in it needs to be diluted in order to be in the range of 30 – 300.

A colony-forming unit –CFU is used to estimate the number of viable (ability to divide by binary fission) microbes in a sample.  

A sample of microbes is diluted and spread on a plate. Then, the number of colonies is counted, assuming that each colony have grown from a single colony-forming unit, or CFU.

Plates with more than 300 colonies are difficult to count while those with less than 30 colonies give statistically unreliable numbers of colonies to count.

6 0
3 years ago
I'm working on a lab report on water erosion on edg lol
melomori [17]

Some facts about Water erosion :

Water erosion is the detachment and removal of soil material by water. The process may be natural or accelerated by human activity. ... Water erosion wears away the earth's surface. Sheet erosion is the more-or-less uniform removal of soil from the surface.

Water and Wind Erosion (cause)

Water erosion is the removal of soil by water and transportation of the eroded materials away from the point of removal. Water action due to rain erodes the soil and causes activities like gully, rill, and stream erosion leading to the downstream effects of flooding and sedimentation.

6 0
2 years ago
Read 2 more answers
What is the fitness of an organism?
dlinn [17]

Answer:

Answer B.

Explanation:

Biological Fitness, also called darwinian fitness, means the ability to survive to reproductive age, find a mate, and produce offspring. basically, the more offspring an organism produces during its lifetime, the greater its biological fitness.

3 0
3 years ago
Which are steps in the formation of hail pellets? select three options
horrorfan [7]
The steps are in google first tab search it
5 0
2 years ago
Pick one.<br>1. Fruits<br>2. Vegetables<br>3. Meat<br>4. Bugs<br>5. Plants
kotykmax [81]
2. MEATTTTT hehee!!!
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