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IRINA_888 [86]
3 years ago
5

Which type of exercise strengthens the skeletal and the cardiac muscles?

Biology
1 answer:
crimeas [40]3 years ago
8 0

running, jogging, walking.

cardiac means heart so what basically works out your heart. running, that's why you pant. Eventually you will see that your breathing has improved.

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In humans, brown eyes are dominant over blue eyes. What conclusions could you draw about the genotypes of a mother who had child
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Answer:

4

Explanation:

If both parents were Hetero brown, they would both have this allele: Bb.

If you were to draw a punnet square, the outcomes would be: BB, Bb, Bb, and bb.

There would be a 75% chance of the offspring having brown eyes and a 25% chance of the offspring having blue eyes.

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2 years ago
What star is a supergiant
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is beacuse ti is the biggest star ever
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Please help!! I WILL GIVE BRAINLIEST !! Can you figure out the modern spreading rate of the Mid- Atlantic ridge? Use that line t
Naddik [55]

Answer:

R = 16mm/y  

Explanation:

Modern Spreading Rate (R) = distance the seafloor moved in km (d) / age in million years (t)

R = d/t

To calculate it in millimeters per year we need to convert it:

<em>1 km = 1000 m </em>

<em>1 m = 100 cm </em>

<em>1cm = 10mm</em>

<em>1 km = 1,000,000 mm   </em>

The problem states that in 150 million years, there is a distance of 2400 km.

if 1 km ------- 1,000,000 mm

2400 km-------X = 2400,000,000 mm

If 1 million years -------1,000,000 years

150 my----X = 150,000,000 years

R = d/t

R = 2400,000,000 mm/150,000,000 y.

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6 0
2 years ago
Which part of the trunk dies quickly?<br> Sapwood<br> Inner bark<br> Heartwood<br> Vascular cambium
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Sapwood. I believe...
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weeeeeb [17]

Answer:

D. A periodic warming of sea surface temperatur e.

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PS: In the tropical eastern Pacific, if the sea temperatures rise 0.5 °C above the long-term average, the condition is declared as El Niño.

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