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4 years ago

How can variations in the rate of interaction between the hydrosphere and the atmosphere result in global climate change?

1 answer:

6 0

All of the waters on Earth are found in the hydrosphere. It can be in a form of ocean, river, streams, water vapor, etc. Their movement transfers water and heat throughout the atmosphere, either in a form of vapor or precipitation. Any change in precipitation patterns for example, causes drought or floods in varying areas. On the other hand, ocean absorbs huge amount of solar energy wherein heat is transferred from equator to poles. When these happens, global temperature changes. Today, it is thought that the ozone layer in the atmospheres is becoming thin, allowing more solar energy to be absorbed in the oceans — creating a not so comfortable temperature for humans i.e. “climate change”.

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Shown below is a balance. Based on this instrument, identify from the following list all the statements that are true if you wer

kirill115 [55]

From the image shown, the uncertainty in the weighing balance extends to the hundredth place.

<h3>What is a balance?</h3>

A balance is any device that is used for measuring the mass or weight of an object. The balance is a necessary instrument in every laboratory.

Looking at the image shown, the following are true;

the uncertainty is in the hundredth place.
a mass that falls between 1 gram and 9 grams measured on this balance will always have 3 significant figures.

Learn more about weighing balance: brainly.com/question/8902159

5 0

2 years ago

Carbon-14 has a half-life of 5720 years and this is a first order reaction. If a piece of wood has converted 75% of the carbon-1

liraira [26]

Answer: 1145.8 years

Explanation:

Half-life of carbon-14 = 5720 years

First we have to calculate the rate constant, we use the formula :

$k=\frac{0.693}{5720\text{years}}$

$k=1.21\times 10^{-4}\text{years}^{-1}$

Now we have to calculate the age of the sample:

Expression for rate law for first order kinetics is given by:

$t=\frac{2.303}{k}\log\frac{a}{a-x}$

where,

k = rate constant = $1.21\times 10^{-4}\text{years}^{-1}$

t = age of sample = ?

a = let initial amount of the reactant = 100 g

x = amount decayed = 75 g

a - x = amount left after decay process = 100 - 75 = 25g

Now put all the given values in above equation, we get

$t==\frac{2.303}{1.21\times 10^{-4}}\log\frac{100}{25}$

$t=1145.8years$

8 0

3 years ago

Read 2 more answers

Li Ming thinks that chlorophyll is a reactant of photosynthesis, but her classmate Julian disagrees. Who is correct, and why?

Eddi Din [679]

Julian is correct because chlorophyll is neither used up nor formed in the chemical reaction of photosynthesis.

Explanation:

Julian is correct because chlorophyll is neither used up nor formed in the chemical reaction of photosynthesis. The reactants in photosynthesis are carbon dioxide and water.

Photosynthesis is the process by which green plants manufacture their food in the presence of sunlight.
In photosynthesis carbon dioxide combines with water to produce glucose and oxygen.
Chlorophyll in plant is a green pigment that is used to trap sunlight during photosynthesis.

Learn more:

Photosynthesis brainly.com/question/2761166

#learnwithBrainly

7 0

3 years ago

Read 2 more answers

) Do you think the pH of 1,0 M tri-methyl ammonium (CH3)3NH+, pKa = 9.80, will be higher or lower than that of 1.0 M phenol, C6H

Elanso [62]

Answer:

1. The pH of 1.0 M trimethyl ammonium (pH = 1.01) is lower than the pH of 0.1 M phenol (5.00).

2. The difference in pH values is 4.95.

Explanation: