When a predator population increases what happens to the prey population? Increase Decrease Dies Stays the same

1 answer:

8 0

Answer: as the number of predators increases, more prey are captured. as a result the prey population starts to decrease.

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An isotope of lead can be represented by the following symbol ²⁰⁷ 82 PB. From this symbol, it can be deduced that one atom of th

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Answer:

B) 82 protons

Explanation:

The number of protons for an element never change. 82 Is the atomic number for Pb which is how many protons it has. An isotope means it has more neutrons.

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3 years ago

Which of the following molecules has one lone pair of electrons?

BigorU [14]

You can automatically rule out CH₄ since it has no lone pairs at all around the central atom. Water has 2. Ammonia is the only Lewis structure that contains one lone pair.

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2 years ago

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In the SI units, what makes the base units special

djverab [1.8K]

Answer:

All other units are gotten from them

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2 years ago

Scientists have categorized trees based on whether they keep or lose their leaves each year. Another logical way to categorize t

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Answer:

Explanation:

I think but it is an better attempt than the other guy answer.

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2 years ago

Calculate for the following electrochemical cell at 25°C, Pt H2(g) (1.0 atm) H (0.010 M || Ag (0.020 M) Ag if E (H) - +0.000 V a

viva [34]

Answer : The correct option is, (b) +0.799 V

Solution :

The values of standard reduction electrode potential of the cell are:

$E^0_{[H^{+}/H_2]}=+0.00V$

$E^0_{[Ag^{+}/Ag]}=+0.799V$

From the cell representation we conclude that, the hydrogen (H) undergoes oxidation by loss of electrons and thus act as anode. Silver (Ag) undergoes reduction by gain of electrons and thus act as cathode.

The half reaction will be:

Reaction at anode (oxidation) : $H_2\rightarrow 2H^{+}+2e^-$