BIOLOGY HIGH SCHOOL

Match the type of volcanic mountain to its description.1. shield
2. composite
3. cinder cone

a very tall and broad-sloped peak made of mostly lava flow
a very tall, steep-sloped peak made of both lava and volcanic materials
a shorter peak made of ash and volcanic rock

Answers

Answer 1

Answer:

Answer;

1. Shield -a very tall and broad-sloped peak made of mostly lava flow

2. Composite- a very tall, steep-sloped peak made of both lava and volcanic materials

3. Cinder cone- a shorter peak made of ash and volcanic rock

Explanation;

Composite volcanoes are the major shapes associated with volcanoes and the most common type of volcano on earth. They are formed by alternating layers of hardened lava and pyroclastic material.
Shield volcanoes produce eruptions of very fluid basaltic lava, which flows out of vents in all directions and moving long distances before it solidifies.They are characterized by broad and gently sloping cones.
Cinder cone volcanoes are smaller than the shield and composite volcanoes. They are mainly circular with a large bowl-shaped cater at the summit.They also eject basaltic lava like the shield volcanoes, but theirs is slightly thicker and contain more gases.

Answer 2

Answer:

Volcanic mountains: Shield: A very tall and broad-sloped peak made of mostly lava flow, Composite: A very tall, steep-sloped peak made of both lava and volcanic materials, Cinder cone: A shorter peak made of ash and volcanic rock.

Volcanic mountains are formed through volcanic activity, where molten rock, gases, and ash are ejected from a vent or opening in the Earth's crust.

When lava flow and make a very tall and broad-sloped peak-like structure, then it is known as a shield. When a very tall and steep-sloped peak structure is made of both lava and volcanic material, it is called a composite. When ash and volcanic rock make a shorter peak, then it is called cinder.

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A membrane that allows only some materials to move in and out of the cell is

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A membrane like that is called semi permeable, because only certain materials can pass through it.

Which group of substances is arranged in order of decreasing specific heat values?

Answers

Final answer:

The specific heat values of different substances can be arranged in order of decreasing specific heat.

Explanation:

The specific heat of a substance is the amount of heat energy required to raise the temperature of a given mass of that substance by a certain amount. The specific heat values of substances can vary, so they can be arranged in order of decreasing specific heat.

Water has a high specific heat and iron has a low specific heat, which means it takes longer for water to heat up or cool down compared to iron. Other substances can also be arranged in order of decreasing specific heat based on their specific heat values.

For example, if we compare different gases, we can arrange them in order of decreasing specific heat values. The specific heat of nitrogen (N₂) is lower than that of oxygen (O₂), and the specific heat of oxygen is lower than that of carbon dioxide (CO₂).

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Answer: which group of substances is arranged in order of decreasing specific heat values? liquid water, ice, water vapor. The minerals talc, muscovite mica, quartz, and olivine are similar because they? contain silicon and oxygen. (Rock Picture) -composed of visible crystals of mica, quartz, and feldspar.

In the past, an irregular heart rhythm was treated by using a drug to help regulate the beat. There is a treatment that can also regulate heart rhythms that has replaced drugs in some cases. What is that treatment?A. pacemaker

B. angioplasty

C. clot-dissolving drugs

D. myocardial infarction

Answers

The pacemakers are implants that are used for the regulation of heartbeats (correction of irregular heartbeats).

It is a small device, implanted (minor surgical procedure) just under the skin of the chest, that sends electrical impulses to the heart muscle to maintain a suitable heart rate and rhythm.

The pacemaker has two parts:

· the leads which are threaded through the veins into the heart and implanted into the heart muscle. They send impulses from the pulse generator to the heart muscle. There can be one or more leads depending on the type of the heart problem

· a pulse generator which contains the battery and a tiny computer and resides just under the skin of the chest.

Each impulse causes the heart to contract. A pacemaker may also be used to treat different heart issues such as fainting spells (syncope), congestive heart failure, and hypertrophic cardiomyopathy.

Moving through trophic levels _______. a. energy decreases b. entropy increases c. biomass decreases d. all of the above

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Answer: The correct answer is A) Energy decreases.

Trophic level is a hierarchical level within an ecosystem that comprises of organisms having same functions within a food chain and have same nutritional relationships with respect to the source of energy.

For instance, producers form the first trophic level and all producers synthesize their food through photosynthesis.

As per the 10% law of energy transfer, transfer of energy from one trophic level to the next ( like from producers to primary consumers) is 10% and the rest 90% of the energy is utilized in various metabolic processes and released as heat in the atmosphere.

Thus, energy decreases as we move through different trophic levels.

The amount of energy at each trophic level decreases as it moves through an ecosystem. As little as 10 percent of the energy at any trophic level is transferred to the next level; the rest is lost largely through metabolic processes as heat. If a grassland ecosystem has 10,000 kilocalories (kcal) of energy concentrated in vegetation, only about 1,000 kcal will be transferred to primary consumers, and very little (only 10 kcal) will make it to the tertiary level. Energy pyramids such as this help to explain the trophic structure of an ecosystem: the number of consumer trophic levels that can be supported is dependent on the size and energy richness of the producer level.

How did Hooke’s work contribute to the cell theory?

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while observing through his microscope, Hooke saw tiny boxlike cavities, which he illustrated and described as cells. He had discovered plant cells. Hookes discovery led to the understanding of cells as the smallest units of life—the foundation of cell theory

Ultraviolet light causes production of vitamin d3 in the cells of the __________. ultraviolet light causes production of vitamin d3 in the cells of the __________. hypodermis epidermis dermis all of the listed responses are correct.

Answers

Epidermis

I think you coppied and pasted it one to many times, so I hope it's just one answer.

Final answer:

Ultraviolet light primarily causes the production of Vitamin D3 in the cells of the epidermis. Smaller amounts are also produced in the dermis and hypodermis.

Explanation:

Ultraviolet light stimulates the production of vitamin D3 primarily in the cells of the epidermis, which is the outermost layer of your skin. Additionally, a smaller amount of vitamin D3 production happens in the deeper layer known as the dermis and the hypodermis. However, most references will identify the epidermis as the main site for this production because it has the highest exposure to sunlight, which is crucial for vitamin D3 synthesis.