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3 years ago

12

Less than 0. 1% of the energy in a food chain generally makes it from the sun to quaternary consumers. Please select the best an

swer from the choices provided T F.

1 answer:

monitta3 years ago

7 0

Answer:

True is the correct answer.

Explanation:

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At a construction site, a builder plans to cut down an 8-foot-by-9-foot piece of plywood. She plans to discard any pieces that s

FromTheMoon [43]

Answer:

30ft²

Explanation:

The area of the plywood that she has:

8 ⋅ 9

=72ft²

The area of the plywood she cut

7 ⋅ 6

=42ft²

The area discarded should be:

72ft² - 42ft²

= 30ft²

3 0

3 years ago

A book has a mass of 400g the surface of the book in contact

Brut [27]

Answer:

The pressure exerted on the table due to the book is 200 N/m².

Explanation:

The pressure exerted on the table due to the book is 200 N/m².

The given parameters;

mass of the book, m = 400 g = 0.4 kg

dimension of the table, = 0.10m x 0.20 m.

gravitational field strength g = 10 N/kg.

The area of the table is calculated as follows;

A = 0.1 x 0.2 = 0.02 m²

The pressure exerted on the table due to the book is calculated as follows; where;

F is the force of the book due to its weight

Thus, the pressure exerted on the table due to the book is 200 N/m².

8 0

2 years ago

Suppose a friend of yours wants to buy a crystal candlestick. You remember seeing this item at both annie's attic and betty's br

Veronika [31]

The advice that will be given in the purchase of crystal candlestick is to go to

Betty's Breakables if the price is above $25.00.

In this scenario, we were told that Betty's Breakables offers 40% discount,

while Annie Attic offers $10 discount.

<h3>Calculation</h3>

Let's assume the price is $25.00, the discount at Betty's Breakables will be

= 40/100 × $25.00

= $10.

At Annie Attic, he was offered a $10 discount which is the same. However

there will be more gain on the discount if the price is above $25.

Let's assume the price is $30 , the discount will be $12 at Betty's Breakables

which is more than that at Annie Attic in which the discount remains at $10.

It is therefore cheaper to go to Betty's Breakable if the price of the

candlestick is above $25.

Read more about the Factors that influence pricing at brainly.com/question/17552787

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3 years ago

Which characteristic would be best for a career in journalism and broadcasting?

Gala2k [10]

Influence because of the main focus on one topic

4 0

3 years ago

Read 2 more answers

Explain what might happen to tundra animals, such as polar bears, as earths climate warms.

zloy xaker [14]

Climate change and polar bears. Temperatures in the Arctic are rising at least twice as fast as the global average and sea ice cover is diminishing by nearly four per cent per decade. The loss of sea ice affects polar bears' ability to find food, studies show.

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3 years ago