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Naddik [55]
3 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]3 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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a diver with a mass of 60 Kg is standing on the top of a 10 meter high platform. what is the mechanical energy
inna [77]

Answer:

M.E = 5880 J

Explanation:

Given data:

Mass = 60 Kg

Height = 10 m

Mechanical energy = ?

Solution:

Formula:

M.E = K.F + P.E

K.E = 1/2 × mv²

P.E = mgh

Diver is not moving so K.E will be zero.

M.E = mgh

M.E = 60 kg × 9.8 m/s² ×  10 m

M.E = 5880 J  ( j= kg m²/s²)

7 0
3 years ago
Planting trees reduces destruction to homes and crops by serving as ___ during typhoons and storms.
geniusboy [140]

Answer:

Windbreakers

Explanation:

Income and fertilizers have nothing to do with it, so those are not it. Then there are shelter and windbreakers. It kind of acts as a shelter, but mainly it protects crops and homes by acting as a windbreaker. If it was shelter, that would mean that the crops would mainly be planted under the trees to reduce damage from storms and typhoons. Therefore, it is D) Windbreakers.

Please Mark Brainliest!

3 0
3 years ago
Blue jays and crows eat caterpillars and mice. if the number of blue jays increases, what are the two likely effects on other po
suter [353]

If the number of blue jays increases, the two likely effects on other populations are both the number of mice and the number of caterpillars will decrease.

<h3>What are two likely effects on other populations due to the increment in Blue jays population?</h3>
  • An organism that preys on other species in order to consume them as food is referred to as a predator.
  • Prey is a term used to describe an organism that a predator kills.
  • An ecosystem's ability to balance an expanding prey population depends on the interaction between predators and their prey.
  • Blue jays and crows both rely on mice and caterpillars as food sources, as indicated by the current circumstance.
  • Mice, caterpillars, and blue jays are the prey, while crows and crows are the predators. The two prey populations will decline if the number of blue jays rises.

Hence, both the number of mice and the number of caterpillars will likely drop as the number of blue jays rises, having two possible implications on other populations.

To learn more about Predator refer to:

brainly.com/question/12655080

#SPJ4

5 0
2 years ago
Why are chloroplasts absent in epidermal cells ?
const2013 [10]
<em>the function of epidermis is to protect the leaf
make it air tight 
prevent water loss as it is waxy
also it is transparent and allows all light to enter...
   chloroplast is required for carrying out process of photosynthesis...
    as epidermis is not specialized to carry out photosynthesis... so it does not have any chloroplast...</em>
6 0
3 years ago
Read 2 more answers
List 4 ways in which root modifications have allowed plants to adapt to their environment
yanalaym [24]

Answer:

Plants adapt to the environment by modifying their leaves, stem and roots.

Explanation:

6 0
3 years ago
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