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Flura [38]
2 years ago
15

What’s the difference between pangea and panthalasa

Biology
2 answers:
Nadusha1986 [10]2 years ago
8 0
Pangea was a mega mega of land basically a supercontinent, panthalasa is the mega body of water which would have surrounded pangea.
k0ka [10]2 years ago
3 0

Pangea was the supercontinent that had all the landmasses of earth together before the Triassic period and that broke up into Laurasia and Gondwanan. However, Panthalassa is a prehistoric ocean that was surrounding Pangea.

Hope this helps!

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Which statement describes potassium-argon dating?
Fiesta28 [93]

Answer: Potassium-40 decays into argon gas over time.

Explanation: Potassium-argon dating is a dating method used to determine the age of sedimentary rocks by comparing the proportion of K-40 to Ar-40 in a sample of rock, and knowing the decay rate of K-40.

Potassium-40 undergoes decay following first order kinetics as given below:

_{19}^{40}\textrm{K}\rightarrow _{18}^{40}\textrm{Ar}+_{0}^1e

3 0
3 years ago
Read 2 more answers
A fertilizer producer finds that it can sell its product at a price of dollars per unit when it produces units of fertilizer. Th
Vilka [71]

Answer:

700

Explanation:

If from the question the price per unit of fertilizer, p(x) = 300 - 0.1x

The cost of x units of  fertilizer = C(x) = 15000 + 125x + 0.025x^2

And we know that Profit = Revenue - Cost

Revenue for x units of fertilizer R(X) = x*p(x)

= 300x - 0.1x^2

Hence Profit: P(x) = R(x) - C(x)

= [300x - 0.1x^2] - [15000 + 125x + 0.025x^2]  

= -0.125x^2 + 175x - 15000

To determine critical values

P'(x) = -0.25x + 175 = 0

Thus x = 175/0.25

x = 700

To maximize profit, the manufactures must produce 700 units of fertilizers

5 0
3 years ago
Confused please help thanks
miskamm [114]

i think it is r next

8 0
3 years ago
Prior to its export from the nucleus, what modifications must be made to a mRNA molecule in eukaryotic cells?
romanna [79]
The mRNA needs to copy the gene sequence of the dna before it leaves the nucleus to the tRNA and rRNA
6 0
3 years ago
What process contains the enzymes that break the chemical bonds in your food in order to create usable energy?
Finger [1]

Answer:

Cellular respiration

Explanation:

This is because cellular respiration is an aerobic process where the chemical bonds in food are broken down to release energy. This process produce energy which are useful for the body cells. Cellular respiration help to break down glucose. Glucose and oxygen are converted to carbondioxide and water and energy is released which form ATP.

4 0
3 years ago
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