BIOLOGY HIGH SCHOOL

Question 17 of 25Based on the data in the table, what will happen when a sound wave travels
from copper into lead?
Aluminum
Copper
Lead
Brass
(70% Cu,
30% Zn)
6,420
4,700
5,010
1,960
Speed of
sound
(m/s)
A. The wave will speed up.
B. The wave will get completely absorbed.
C. The wave will change in frequency.

Answers

Answer 1
Answer:

Answer: A

Explanation:
Answer 2
Answer:

Answer:

The wave will change in frequency.

Explanation:

As a way to keep motion it should reflect enough to change frequency.

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The following question refers to “The Pit and the Pendulum” by Edgar Allan Poe.How does the narrator react to the “dread sentence of death” handed down to him?

He blacks out.
He tries to escape.
He yells at the judge.

Answers

The narrator reacted to the dreaded sentence of death handed down to him BY BLACKING OUT.

The Pit and the Pendulum is a short story written by Edgar Allan Poe. The story is about a prisoner, who endured much torment. The story opens with the trial of the narrator of the story. The narrator was been tried by a panel of judges. At the end of the trial, the narrator was sentence to death and this makes him to black out.

He blacks out and this is the way the narrator reacts to the "dread sentence of death" handed down to him. The correct option among all the options that are given in the question is the first option. He blacked out hearing the sentence because he was already drugged. I hope the answer helps you.

Freshwater biomes have _______.a. organisms adjusted to high salinity
b. more diversity than marine biomes
c. a salinity of less than 1%
d. the ability to maintain their temperature year round

Answers

The right option is; c. a salinity of less than 1%

Freshwater biomes have a salinity of less than 1%

The freshwater biome is a large community of plant and animals that live in water bodies with a salinity of less than 1%. Fresh water biomes include streams, rivers, ponds, lakes, and some wetlands. The fresh water biomes cover about 20% of the earth and they contain several species of fish and animals such as frogs, crocodiles and turtles.

Final answer:

Freshwater biomes have a salinity of less than 1%. They do not support more diversity than marine biomes and don't maintain constant temperatures throughout the year.

Explanation:

Freshwater biomes, spanning rivers, lakes, and ponds, are characterized by a salinity of less than 1%. Unlike marine biomes with high salinity, the organisms inhabiting freshwater biomes have adapted to live in low salinity conditions. Notably, freshwater biomes do not have more biodiversity than marine biomes - marine biomes are known for their rich species diversity. Additionally, freshwater biomes lack the ability to maintain their temperature year-round; they are subject to seasonal fluctuations in temperature.

Learn more about Freshwater Biomes here:

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DirectionsChoose two organisms: one sexual reproducer and one asexual reproducer. For each organism, discuss the following:

1.Describe the organism (physical appearance, habitat, function, history, etc.).
2.Draw or find a graphic that represents your organism.
3.Detail the organism's method of reproduction:
asexual or sexual
type of gametes
method of fertilization
advantages and disadvantages of the reproduction type

Answers

1. Humans, they are of mammalian descent. More specifically, primates. Scientific name of homo sapiens sapiens. They can reproduce through ciotus, or sexual contact. Moreover, they are the beings that are more developed in terms of neurological functioning. 
2. This organism has limbs, hind and fore. 
3. Sexual
Egg and sperm cells

Explanation:

sexual reproduction: Sexual reproduction is the creation of a new organism by combining the genetic material of two organisms. There are two main processes during sexual reproduction: meiosis, involving the halving of the number of chromosomes, and fertilization, involving the fusion of two gametes and the restoration of the original number of chromosomes.

asexual reproduction: any form of reproduction that involves neither meiosis nor fusion of gametes

When water is cooled, it becomes more dense and sinks to the bottom of the water column. The displaced water is them replaced with ___________.more cold water from the North and south pole

warm water moving in from the equator

water that is roughly the same temperature as the displaced water

water from volcanic vents

Answers

B) warm water moving in from the equator

In which type of reproduction can cells divide through the process of mitosis ?

Answers

Mitosis is carried out for growth and development processes. The cell divide and multiply for growing and removing the worn out cells/damaged cells. Two identical daughter cells are formed in mitosis. Errors in the same may cause genetic disorders, Sex cells divide by the process of meiosis.

asexual reproduction

this is the correct answer

How are mitochondria similar to chloroplasts?

Answers

they both have their own DNA Thayne's independent to the organisms DNA. They are also similar in the way that Mitochondria play a major role in ATP synthesis ( often referred to as the energy power house if the cell) while chloroplast aid in photosynthesis in plants to produce sugar (also energy).
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