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Naddik [55]
4 years ago
10

How many times does your heart beat during your lifetime? round the answer to the nearest power of 10 and then express your answ

er as the order of magnitude. for instance, if your estimated answer is 3×105, enter 5. if your estimated answer is 8.7×105, you should enter 6 (rounding up to the next power of 10)?
Biology
1 answer:
babymother [125]4 years ago
7 0
North component: y = 15.0 m * sin 55.0º = 12.3 m West component: x = 15.0 m * cos 55.0º + 7.00 m = 15.6 m 
so his heading, measured from West, is Θ = arctan(y/x) = arctan0.787 = 38.2º N of West 
and measured from North is φ = arctan(x/y) = arctan(1.27) = 51.8º W of North 
Hope this helps!
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What condition causes storms to occur
NARA [144]

Answer:

B

Explanation:

Storms are formed when the movement of cold and warm air currents creates extreme air pressure difference.

3 0
3 years ago
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Which of the following statements does NOT accurately describe difference between mitosis & meiosis? A.mitosis is used to pr
yanalaym [24]

c), mitosis; meiosis ... Which of the following statements about human reproduction is true? ... b), Each cell undergoing mitosis divides into two complete new cells that are ... a), Sperm and ova are not identical to the parent cells that produced them. ... a), Mitosis produces cells that have a haploid number of chromosomes.

4 0
3 years ago
Which phase best describes a chapparal
Kobotan [32]

The options attached to this question are given below:

A. contains mostly needle-leaved evergreen trees.

B. is home to herds of giraffes, zebras, and wildebeests.

C. receives less than 25 cm of precipitation per year.

D. has low-growing; touch shrubs and rock, dry soils .

ANSWER

The correct option is D.

The chappral biome is one of the most widespread biome in the world, it can be found on almost all continents. The major characteristic of the biome include the following:

It has both forest and grassland,

It has two major seasons, winter and summer; the summer season is usually very dry and last for about five months.

The dry summer makes the biome sensitive to fire outbreak, which is a common occurrence there.

The amount of rain available to the biome is about 10 - 17 inches per year and is only able to support shrubs growth, only few trees can be found in the biome.

The biome can be a plain, a rolling hill or a mountain and the soil is usually very dry.  

5 0
3 years ago
Why did separate systemic and pulmonary circulations evolve in species that have the high-pressure circulatory system required f
Rina8888 [55]

Answer:

The separate systemic and the pulmonary conditions all evolve in the species that are having the high pressure circulatory system required for rapid movement of blood because if pulmonary was under pressure as high as that of the system circulation.

Explanation:

Here, it is given that the separate systemic and the pulmonary circulations evolve in the species.

And those species have the high pressure circulatory system for blood movement rapidly because if the pulmonary was under pressure as high as that of systemic circulation.

Also the fluid amount that will flow would be forced out of the cappilaries in the lungs.

Now, there is a conflict between the thin surface required for efficient exchange of gases.

Also, the thick blood vessels are required to withstand the high blood pressures.

6 0
3 years ago
Match the digestive organ on the left with its function.
RUDIKE [14]

Answer:

pancreas: secretes digestive enzymes into the small intestine

esophagus: the place where peristalsis takes place

small intestine: area of the digestive tract where most nuturients are absorbed

stomach: area of the digestive tract that follows the esophagus

large intestine: area of the digestive tract where mostly water is absorbed

Explanation:

peristalsis: so the food can move down towards your stomach, independently of gravity

pancreas: helps your stomach become the ultimate weapon to destroy anything that gets in there with its enzymes

small intestine: it is really really long -> more time to absorb nutrients

large intestine: like a farm of bacteria, the most exotic things that somehow made it through all the way here are finally destroyed -> also, water absorbtion: your body wants to retain as much as possible, this is how and where stool formation takes place

6 0
3 years ago
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