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3 years ago

How does the washing of hands help prevent a societal problem?

2 answers:

8 0

One of the fastest ways to spread a disease is through your hands. Infectious diseases could be transferred and could be caught because of it. It is important for people to wash their hands thoroughly to prevent the spread of germs and diseases. Thus, it prevents a societal problem.

Zepler [3.9K]3 years ago

7 0

Answer:

It reduces the spread of disease.

Explanation:

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If sea water has a density of 1.025 kg/L and 3.5% of the mass in sea water is salt, determine the mass of salt dissolved in 500

Alja [10]

68 kg. There are 58 kg salt in 500 gal seawater.

Step 1. Convert gallons to litres

1 US gal = 3.79 L (1 Imp gal = 4.55 L)

Step 2. Find the volume of the seawater

Volume = 500 gal × (3.79 L/1 gal) = 1895 L

Step 3. Find the mass of the seawater

Mass = 1895 L × (1.025 kg/1 L) = 1942 kg

Step 4. Find the mass of the salt

Mass of salt = 1942 kg seawater × (3.5 kg salt/100 kg seawater) = 68 kg salt

6 0

4 years ago

DIRECTIONS: Underline the selected word item that best completes the statements.

tigry1 [53]

Explanation:

(Climate, Weather) is an overall atmospheric condition of a place of 30 years and more while (Climate,Weather) is a condition for a short period of time.

2. (Climate, Weather) is influenced by latitude, altitude, ocean current, and topography.

3. The (higher, lower) the altitude, the (colder, warmer) the climate.

4. (Windward, Leeward) area of the mountain forms precipitation while (Windward,Leeward) gives dry air and warm weather.

5. Ocean currents bring (cold, warm) water and rain from the equator to the poles and (cold, warm) water from the poles toward the equator

3 0

3 years ago

The prefix milli- means 103 10-2 10-3 102

lesantik [10]

Milli- (symbol m) is a unit prefix in the metric system denoting a factor of one thousandth (10−3). Proposed in 1793 and adopted in 1795, the prefix comes from the Latin mille, meaning "one thousand" (the Latin plural is milia).

3 0

4 years ago

What is the chemical formula for toothpaste?

drek231 [11]

The most common type of fluoride found in toothpaste is part of the compound sodium fluoride which has the chemical formula NaF

4 0

4 years ago

Read 2 more answers

An air bubble with a radius of 2.5 cm at the bottom of a lake where the temperature is 5.4 0C and the pressure is 3.2atm rises t

olasank [31]

Answer:

3.8 cm

Explanation:

Given data

Initial pressure (P₁): 3.2 atm

Initial volume (V₁): 65 cm³

Volume of a sphere: V = 4/3 × π × r³ = 4/3 × π × (2.5 cm)³ = 65 cm³

Initial temperature (T₁): 5.4°C + 273.15 = 278.6 K

Final pressure (P₂): 1.0 atm

Final volume (V₂): ?

Final temperature (T₂): 25.0°C + 273.15 = 298.2 K

We can find the final volume using the combined gas law.

$\frac{P_{1}\times V_{1}}{T_{1}} =\frac{P_{2}\times V_{2}}{T_{2}}\\\frac{3.2atm\times 65cm^{3} }{278.6K} =\frac{1.0atm\times V_{2}}{298.2K}\\V_{2}=223cm^{3}$

The final radius of the bubble is:

V = 4/3 × π × r³

223 cm³ = 4/3 × π × r³

r = 3.8 cm

6 0

4 years ago