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Crank
3 years ago
13

Why are data tables useful in an experiment

Biology
1 answer:
givi [52]3 years ago
3 0
You can keep track of your findings and find averages
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An ovary with ten ovules before fertilization could have ten _____ after
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A........................
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What is the name of the first and second tubule in the nephron?
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proximal tubule

Explanation:

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Phytoplankton form the base of food webs, but are only present in the upper few hundred meters of the ocean. A number of factors
Ksenya-84 [330]

Answer:

The correct answer is d. Oxygen

Explanation:

Phytoplanktons are responsible for the fixation of approximately half of the global carbon therefore seawater has high CO2 concentration which is required by phytoplanktons to make their food.  

They are the primary producers of oceans and they are responsible to support the food chain of oceans. Factors that can limit their growth are mainly sunlight and nutrients like phosphorus, nitrogen, etc.

As phytoplanktons are photosynthetic they release oxygen itself as a byproduct therefore oxygen is not a limiting factor to phytoplanktons. So the right answer is d.

6 0
3 years ago
Which equation represents Newton's second law of motion in terms of momentum?
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F • t = m • v

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2 years ago
What factor caused the appearance of oxygen?
Nookie1986 [14]

Answer:

The appearance of free oxygen in the Earth's atmosphere led to the Great Oxidation Event. This was triggered by cyanobacteria producing oxygen which developed into multicellular forms as early as 2.3 billion years ago

Explanation:

To clarify what I said here are some questions to help!

How did oxygen first appear?

Whiffs in the air is how oxygen first appeared billions of years ago.

For the most part, scientists agree that oxygen, though lacking in the atmosphere, was likely brewing in the oceans as a byproduct of cyanobacterial photosynthesis as early as 3 billion years ago

When was oxygen found?

2.33 billion years ago

Since its first appearance 2.33 billion years ago, oxygen accumulated in high enough concentrations to have a weathering effect on rocks just 10 million years later.

I don't know if this helped you but if it does, please let me know!

8 0
2 years ago
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