Which of the following problems is more likely to cause disease during aquaculture farming? (3 points)

Biology

1 answer:

Aneli [31]3 years ago

8 0

Answer: b, large density of fish in a small holding area

Explanation: I just finished the assignment and it was correct.

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A rocket is launched to a height of 210 kilometers above sea level. What level of the atmosphere has it entered?

taurus [48]

Answer:

The rocket has entered the thermosphere.

Explanation:

Thermosphere starts at around 90 km to 1000 km above the sea level. It is present between Mesosphere and Exosphere, The temperature climbs sharply from lower to higher and it get impacted by the solar temperature heavily. In the lower level of thermosphere almost till 500 km resides the ionization/ ionosphere. This area is ionized by solar activities and the cause of Aurora.

So if the rocket launched the height of 210 km, so it has reached the thermosphere and might also touched the ionosphere and aurora

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3 years ago

Which enzyme is mixed with a DNA sample before gel electrophoresis

Svetach [21]

Answer:

Restriction enzyme

Explanation:

Gel electrophoresis is a process or a technique in which fragments of DNA are separated in terms of their sizes.
The restriction enzyme is mixed with a DNA sample before the process. The restriction enzyme cut DNA at specific points into fragments which can then be separated based on their sizes on an agarose gel.
When current is applied to the gel DNA move towards the positively charged electrode since DNA is negatively charged, with shorter fragments migrating faster through the gel in comparison with large fragments.

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3 years ago

Graphs are used to display data from an experiment. True or False

marissa [1.9K]

True! ✅

A graph helps display important date from an experiment or an observation.

Hope that helps - UnicornFudge aka Nadia

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3 years ago

Which of the following apply to food webs? Select all that apply. Food webs are a group of connected food chains. Arrows in a fo

Sunny_sXe [5.5K]

Answer: The correct options that apply to the food web are-

Food webs are a group of connected food chains.
Arrows in a food web go from the organism that is being eaten to the organism that is eating it.
Arrows in a food web represent the flow of energy in a food web.
Food webs show all of the eating patterns in an ecosystem.

A food web is an interconnected network of different food chains representing flow of energy and matter within an ecosystem. The different arrows in a food chain represent organisms being eaten by other organisms, thereby representing flow of energy. It also represents that an animal can consume more than one food type.