Draw five protons in the nucleus of the atom
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One major difference between plant and animal cells is that plant cells are the only ones with ?
How are forces able to act at a distance ?
B) Excretory
C) Integumentary
D) Lymphatic
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Digestive system includes the esophagus, pancreas, and large intestine. Correct option is A.
The organs mentioned, namely the esophagus, pancreas, and large intestine, are all part of the digestive system. The digestive system is responsible for processing food, breaking it down into nutrients, absorbing those nutrients, and eliminating waste products from the body. Here's a brief description of the mentioned organs' roles in the digestive system:
Esophagus: The esophagus is a muscular tube that connects the mouth to the stomach. Its primary function is to transport food from the mouth to the stomach through a process called peristalsis, which involves rhythmic muscle contractions.
Pancreas: The pancreas is both an endocrine and exocrine gland. As part of the digestive system, it plays a crucial role in producing digestive enzymes and releasing them into the small intestine. These enzymes aid in the breakdown of carbohydrates, proteins, and fats, enabling their absorption.
Large Intestine: The large intestine, also known as the colon, is the final part of the digestive system. It is responsible for absorbing water and electrolytes from undigested food, forming feces, and eliminating waste from the body through the rectum and anus.
Together, these organs work harmoniously within the digestive system to ensure the proper digestion and absorption of nutrients, as well as the elimination of waste materials.
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There are a truly huge, enormous number of all of them in
any sample of helium, no matter how small the sample is.
In just ONE ATOM of helium, there are 2 protons and 2 neutrons
inside the nucleus, and two electrons in the 'cloud' of probability
outside the nucleus.
B. Divide the time the object travels by the distance it travels.
C. Calculate the distance the object travels and divide that by the time it takes to get there.
D. Calculate the velocity of an object and divide that by the time the object is in motion.
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A. Divide the change in the objects velocity by the time it takes to make that change.
Explanation:
Acceleration is a vector quantity whose magnitude is given by the following equation:
where
is the change in velocity of the object
is the time it took to make the change in velocity
Therefore, we see that this equation corresponds to choice A.
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The temperature of both the halves of the body remain same and thus the body remain in thermal equilibrium.
Both the parts of the body even after being in contact with each other will not transfer heat and thus maintain equal temperature and the resultant of the two will be zero.
The resultant temperature of the two halves will be same as the temperature of the body before cutting them into two.
Explanation:
As the body of heated between cutting it into two halves, so the temperature of the body will be same even after cutting them into two halves. This can be confirmed from zeroth law of thermodynamics.
As the heat is stored in the form of temperature of the body when heated. The after cutting it into two halves, the temperature will be remained same as temperature does not depend on the mass of the object once the heating process is completed.
The temperature would have varied if the two halves were heated again but in this case after heat process is completed, the body is divided. This leads to no change in temperature of the two halves.
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If the object has a lower density it will float and it if it has a higher density it will sink, different liquids may also be heavier or lighter causing a different outcome.
200° Celsius
300° Celsius
400° Celsius
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Boiling point is at 200° Celsius
Explanation:
Matter exists in three states:
- Solid state: the molecules of the element are fixed in their place and strongly bonded to each other - therefore, they can only vibrate around their fixed position.
- Liquid state: the molecules of the element are free to slide past each other - however, there are still intermolecular forces that keep them close to each other
Gas state: the molecules of the element are completely free to move far from each other
Evaporation is the process that occurs when a substance changes from liquid to gas state. This process occurs when the temperature of the substance reaches its boiling point.
In the graph given in this problem (find it in attachment), we observe that:
- At first, the temperature increases up to 50 Celsius; this is the solid state
- Then the temperature stops increasing --> this is the transition of phase from solid to liquid (melting), which occurs at a constant temperature of 50 Celsius (melting point)
- Then, the temperature increases again up to 200 Celsius (liquid state)
- Then the temperature stops increasing again --> this is the transition of phase from liquid to gas (evaporation), which occurs at a constant temperature of 200 Celsius, which is therefore the boiling point
- Then, the temperature increases again (gas state)
Therefore, the boiling point of the substance in this problem is
200° Celsius
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Answer:
B
Explanation:
200 degrees Celcius.