How does the Sun fit into a food web?

Chemistry

1 answer:

Nastasia [14]2 years ago

6 0

It fits into the food web by being a producer by producing light for other organisms such as grass and other plants

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D) +1

timurjin [86]

Answer:

I guess letter A

Explanation:

but the real number of oxidation of PO-

p=1

O= -2

can you explain, how can I answer this question?

I know how to get the oxidation but the problem is there nothing to the options.

6 0

2 years ago

Chicago is about 2,800 km from Los Angeles. About how long would it take a jet plane flying 800 km/h to fly from Chicago to Los

BaLLatris [955]

Answer: The time taken by jet plane to reach Los Angeles from Chicago is 3.5 hours

Explanation:

Speed is defined as the rate at which an object moves with respect to time.

To calculate the time taken for the given speed, we use the equation:

$s=\frac{d}{t}$

where,

s = speed of the jet plane = 800 km/hr

d = distance traveled = 2800 km

t = time taken by jet plane = ?

Putting values in above equation, we get:

$800km/hr=\frac{2800km}{t}\\\\t=\frac{2800km}{800km/hr}=3.5hr$

Hence, the time taken by jet plane to reach Los Angeles from Chicago is 3.5 hours

4 0

2 years ago

Why do we use a double arrow in the dissociation equation for a weak acid answer?

Zepler [3.9K]

Answer is: because weak acids do not dissociate completely.

The strength of an Arrhenius acid determines percentage of ionization of acid and the number of H⁺ ions formed. 
Strong acids completely ionize in water and give large amount ofhydrogen ions (H⁺), so we use only one arrow, because reaction goes in one direction and there no molecules of acid in solution.

For example hydrochloric acid: HCl(aq) → H⁺(aq) + Cl⁻(aq).

Weak acid partially ionize in water and give only a few hydrogen ions (H⁺), in the solution there molecules of acid and ions.

For example cyanide acid: HCN(aq) ⇄ H⁺(aq) + CN⁻(aq).

4 0

2 years ago

HELP!!! An experiment was conducted to determine if the intermolecular forces in two liquids affects their boiling points. Each

ExtremeBDS [4]

Answer: it would be b time taken by the glass surface to dry

Explanation:

i had took the test and i got it right

4 0

2 years ago