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meriva
3 years ago
14

The heat transferred to the ice increases the thermal energy of the molecules of water. Why does this cause a change in state?

Biology
1 answer:
rewona [7]3 years ago
8 0

Answer:

I'm assuming the question is asking why heat causes ice to melt. If so, it is because when heat is involved, the water molecules move faster, breaking the hydrogen bonds holding them all together, no longer holding the crystal lattice structure that is ice.

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In which isotope is the strong nuclear force not strong enough to balance electrostatic forces between protons? Carbon-13 hydrog
jolli1 [7]

Answer:

The correct answer is "uranium-238".

Explanation:

Uranium-238, is the most abundant isotope of the element uranium. Uranium-238 has not enough nuclear force to balance electrostatic forces between protons, and as a result, it is a radioactive isotope and its losing energy because of the spontaneous breakdown of its atomic nucleus. Uranium-238 has a half-life of 4.5 billion years and is used as fuel in nuclear reactors as well as for dating purposes.

5 0
3 years ago
After the aswan high dam was built on the nile river, the rate of parasitic worm infection doubled in the human population near
valentinak56 [21]

After the aswan high dam was built on the nile river, the rate of parasitic worm infection doubled in the human population near the dam. as a result of building the dam, the flow of the nile changed. this changed the habitat, which resulted in an increase in its population of a certain aquatic snail. the snails, which were infected, released larvae of the worm. these larvae then infected humans. this situation best illustrates that:

A. the influence of humans on a natural system is always negative in the long term

B. the influence of humans on a natural system can have unpredictable negative impacts

C. human alteration of an ecosystem does not need to be studied to avoid ecological disaster

D. human alteration of an ecosystem will cause pollution and loss of finite resources.

The correct answer is option (B) the influence of humans on a natural system can have unpredictable negative impacts.

The biosphere refers to the biologically inhabited part of the earth in association with the atmosphere, hydrosphere and the lithosphere. Human beings have been influenciung this natural system of biosphere causing numerous negative impacts. This finally affects all the living organisms of the biosphere.

Human activities like industrialization, construction of dams, chemicals based agriculture and others have been affecting the habitats. Construction of the dams changes the habitat. This change in the habitat can endanger or increase certain species. The change in the habitat can affect the abiotic factors as well as the biotic factors. In case of the river Nile, it increased the snails which were infected by the larvae of parasitic worms. Thus, doubling the infection of parasitic worms in the humans.

When the natural system of rivers have been influenced by the humans, it always has the negative effects on the life.

4 0
3 years ago
Read 2 more answers
The photo that I attached is the photo that you'll be following to answer the questions. PLZ help? Anyone? Will greatly apprecia
Zigmanuir [339]
1. Phosphates and sugars (deoxyribose)
2. yes
3. the order of the bases aren't but what they pair with are
4. five
5. ten
6. the sequences vary between all organisms
7 0
3 years ago
Which of the following statements best explains how roots aggregate soil?
SSSSS [86.1K]

Answer:

the hair and tendrils of roots grasp the soil and bind the particles together

Explanation:

just did it on edge :D

5 0
3 years ago
In a DNA strand, this nucleotide will "pair up" with:
kirill [66]

Answer:

C.

Explanation:

Every DNA nucleotide pair will consist of one pyrimidine and one purine. Due to the chemical structures of the different bases, adenine (A) will always bind with thymine (T) and guanine (G) will bind with cytosine (C). The same is true for RNA except that A always pairs with a close relative of thymine, uracil (U).

5 0
2 years ago
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