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3 years ago

Which process occurs after a forest fire?

Biology

1 answer:

lisabon 2012 [21]3 years ago

3 0

Answer:

Secondary succession

Explanation:

Secondary Succession happenes after a fire or flood. If it was primary succession it would have happened after new rock was formed when lava hardens. Photosynthesis is a process a plant goes through and eutrophication is when water has too many minerals and nutrients. It causes an excessive amount of algae to grow.

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Is the circled karyotype a male or female? female male

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Answer: A normal female karyotype is written 46, XX, and a normal male karyotype is written 46, XY.

Explanation:

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3 years ago

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A fish maintains its depth in fresh water by adjusting the air content of porous bone or air sacs to make its average density th

Volgvan

Answer:

0.153

Explanation:

We know the up-thrust on the fish, U = weight of water displaced = weight of fish + weight of air in air sacs.

So ρVg = ρ'V'g + ρ'V"g where ρ = density of water = 1 g/cm³, V = volume of water displaced, g = acceleration due to gravity, ρ'= density of fish = 1.18 g/cm³, V' = initial volume of fish, ρ"= density of air = 0.0012 g/cm³ and V" = volume of expanded air sac.

ρVg = ρ'V'g + ρ"V"g

ρV = ρ'V'g + ρ"V"

Its new body volume = volume of water displaced, V = V' + V"

ρ(V' + V") = ρ'V' + ρ"V"

ρV' + ρV" = ρ'V' + ρ"V"

ρV' - ρ"V' = ρ'V" - ρV"

(ρ - ρ")V' = (ρ' - ρ)V"

V'/V" = (ρ - ρ")/(ρ' - ρ)

= (1 g/cm³ - 0.0012 g/cm³)/(1.18 g/cm³ - 1 g/cm³)

= (0.9988 g/cm³ ÷ 0.18 g/cm³)

V'/V" = 5.55

Since V = V' + V"

V' = V - V"

(V - V")/V" = 5.55

V/V" - V"/V" = 5.55

V/V" - 1 = 5.55

V/V" = 5.55 + 1

V/V" = 6.55

V"/V = 1/6.55

V"/V = 0.153

So, the fish must inflate its air sacs to 0.153 of its expanded body volume

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3 years ago

Which is true of all crops that humans grow

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They are descended from wild plants.

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Answer:

Involuntary physiologic processes

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chlo by The core of the sun is so hot and there is so much pressure, nuclear fusion takes place: hydrogen is changed to helium.

scZoUnD [109]

aryy, your deleting ur id huh??, okie fine !!

good bye......✨

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2 years ago