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kvasek [131]
3 years ago
6

For adults age 19–50, Dietary Guidelines recommend consuming at least _______ of vegetables and fruits daily. A. 3 cups B. 1 to

2 cups C. 4 to 5 cups D. ½ cup
Physics
2 answers:
olga nikolaevna [1]3 years ago
6 0

4 to 5 cups for adults

Sauron [17]3 years ago
4 0
<span>For adults age 19–50, Dietary Guidelines recommend consuming at least 4 cups of vegetables and fruits daily. this means the answer is C</span>
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All of the following are examples of ways to improve energy efficiency of heating systems, except _______.
Yuri [45]

Answer:

D. Opening the front door in winter to filter and clean warm ai

Explanation:

All of the following are examples of ways to improve energy efficiency of heating systems, except _______.

A. Closing off rooms that aren’t in use.

B. Frequently cleaning the furnace filter.

C. Fixing cracks in the walls and floor.

D. Opening the front door in winter to filter and clean warm air

for an heating systems it is better to keep the front door shut so that all the heat energy does not escape outside.

when heat energy is within a closed system ,it can still be utilized to keep the inhabitants warm otherwise there will be an exchange with the cold from winter fall outside the air, and the heating system's efficiency will be reduced

5 0
3 years ago
Your diagram is a muscle that helps you breathe. do you think this muscle is voluntary or involuntary? Explain.
PIT_PIT [208]
The diaphragm is primarily an involuntary muscle. Although voluntary means can be achieved, such as when you hold your breath while swimming, this is temporary as the diaphragm will eventually work on its own to supply your body with oxygen.
3 0
3 years ago
Which one of the following is radical?<br>a.NH4+<br>b.CUSO4<br>c.CH4<br>d.NH3​
klio [65]

Answer:

The unit that is a radical among the options is;

a. NH₄⁺

Explanation:

A radical is an atom, group of atoms molecule or ion that contains an electron that is unpaired. The presence of the unpaired electrons make radical very reactive as such most radicals enter into reactions with other species or with themselves to form new compounds making them not last long.

Radicals are also known as free radicals. Examples of radicals includes; Ammonium ion, NH₄⁺

Nitrate ion NO₃⁻ (From a salt)

Hydroxide ion OH⁻ (From a base)

Sulphate ion SO₄²⁺ (From an acid)

All of which are formed in aqueous solution of acids, salts and bases.

5 0
3 years ago
Explain the correspondence that lets us easily translate between linear motion and rotational motion. What are the linear analog
RideAnS [48]

Explanation:

The linear analog of angle is angle itself.

The linear analog of angular velocity is linear velocity.

ω is angular velocity, therefore linear velocity is given by v

∴ for linear velocity, v^{2} = u^{2}+2.a.S

   for angular velocity, \omega_{f}^{2}  = \omega _{i}^{2}+2.a.S

The linear analog of angular acceleration is acceleration.

α is angular acceleration whereas as a is linear acceleration.

∴ for linear acceleration, v = u + a.t

  for angular acceleration, \omega_{f}= \omega _{i}+\alpha .t

The linear analog of moment of inertia is mass.

I is moment of inertia and m is mass,

∴ for linear analog, F = m.a

  for angular analog, τ - I.α

4 0
3 years ago
A battery of voltage 9.0 V produces a current of 0.0175 A across a circuit. What is the resistance of the circuit?
Natalka [10]

Answer:

514.288

Explanation:

V=IR

R=V/I

R=9/0.0175

8 0
3 years ago
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