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Vladimir79 [104]
3 years ago
14

All the nerve bundles of the body are routed through the backbone and are called the spinal :

Biology
1 answer:
Mrrafil [7]3 years ago
3 0
The answer is a spinal cord
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Life used to be organized into two group, plants and animals.  What are the 5 kingdoms of life recognized today?*
Temka [501]

Answer:

C.  Plant, Animal, Fungi, Protist, Bacteria 

Explanation:

Another word for bacteria would be monera. The more technically correct version of the answer would be animal, plant, fungi, protist, and <u>monera</u>. However, monera is basically bacteria. So C is your best answer.

3 0
2 years ago
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What can a line graph be used to do? Select the best answer.
SpyIntel [72]

Answer:

C. Make comparisons

Explanation:

A line graph can be used to do make comparisons to something measured over time.

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3 years ago
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Which of the following would be categorized as a cultural ecosystem service of forests?
Lubov Fominskaja [6]

Answer:

Recreation ans scenic areas for tourism.

Explanation:

  • As the ecosystem provides a certain amount of services as habitat, healthy soil and clean air, freshwater nutrient cycle s and human goods like culture, recreation, and health. All these are benefits that humans freely gain from the natural ecosystem either be agro, forest aquatic or grasslands, etc.
8 0
3 years ago
The half-life of Carbon-14 is 5730 years. Suppose a fossil is found with 50% of Carbon-14 as compared to a living sample. How ol
nata0808 [166]

Answer:

5732 years

Explanation:

Radioactive decay can be determined by using the equation:

N_t = N_0e^{- \lambda t}

where;

N_t = number of decayed atoms at time (t)

N_0 = initial number of decayed atoms

\lambda = decay constant

So, if we equate the natural log of the above; we have:

In(N_t) = In(N_0)-\lambda t

\frac{In(N_t)} { In(N_0)}} = -\lambda t

where;

\lambda = \frac{0.693}{t_{1/2}}

\lambda = \frac{0.693}{5730}

\lambda = 1.209*10^{-4

In(\frac{50}{100}) =-(1.209 *10^{-4})*t

-0.693 = -(1.209*10^{-4})*t

t= \frac{0.693}{1.209*10^{-4}}

t = 5732.01 years

t = 5732 years.

Hence, the fossil is 5732 years old.

8 0
4 years ago
Of all planets in our system jupiter has the greatest gravitational strength
kherson [118]
That is a true statement.
3 0
3 years ago
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