Which of the following statements is the most accurate explanation of why the night sky changes?

Q: Which earth’s layer is the lithosphere

A: Earth is a planet that is made up of several layers. The formation of these layers has taken…

Q: Inquiry When F1 hybrid pea plants self- or crosspollinate, which traits appear in the F2 generation?

A: Plant hybridization is a process of crossbreeding between genetically dissimilar parent  to produce…

Q: The idea for “Earth Day” was proposed by ______.

A: Earth is a planet in the solar system on which life is possible and we all live on the earth. The…

Q: How can you know what happened millions of years ago if no one was there to see it  Explain

A: Every living creature on the planet has the potential to evolve into something. Cells adapt to…

Q: Mention the main postulates of Werner’s Theory.

A: Introduction: Werner, a well-known physicist, proposed his theory of coordination compounds in 1823,…

Q: How does our ability to model global primary production compare to atmospheric measurements of CO2?…

A: The primary source of carbond ioxide released to the atmosphere by human activities derives from…

Q: which of the following is not suffix of GATTACA? 1 CA 2 TTACA 3 GATT 4 A

A: DNA or RNA sequence are aligned so as to understand differences and similarities between the two…

Q: If you owned a seaside home and a bad storm brought heavy windsand high surf to your coastline,…

A: Tides are referred to as long waves that are moving all over the ocean.  The tides are known to be…

Q: Higher or raised altitude areas have blazing sunlight and lower temperatures as opposed to the…

A: the reason is :

Q: Explain how the data in figure 24.29 support Tewksbury andNabhan’s hypothesis.

A: Predators are the organisms that feed on other organisms called prey.

Q: We know that hurricanes form above warm ocean water. And it's thought that warmer water can lead to…

A: Answer  a) By looking at the histogram, the total number of hurricanes has increased over the period…

Q: 1-What can you tell from this data table? 2- What month is "snowiest"? 3- What months get little or…

A: Science is derived from the Latin word scientia it means the knowledge. Science is a broad term…

Q: Explain how fog forms off the San Francisco coast. For a complete answer, you need to use the…

A: The term fog is associated with the cloud that is comparatively closed to ground than to the sky.…

Q: State the differences between "planar" and "column" stationary phases and provide examples of each.

A: Chromatography techniques are based on the stationary phases used in separation.

Q: plain why there the area around the pacific plate  in the Pacific Ocean is called the ring of fire ?…

A: Magellan named the ocean Pacfico (or "Pacific," which means "peaceful") because the voyage reached…

Q: Abominable Snowman(400 words or more) Where does the topic live and what is its habitat like? What…

A: We go into the fascinating subject of the Yeti, sometimes known as the Abominable Snowman, in this…

Q: What does not orbit the sun

A: Jupiter is the sun's fifth planet.The gas giant is the solar system's largest planet, weighing more…

Q: Since air and surface temperatures are increasing as a result of global climate change, scientists…

A: Due to the global warming, the temperature of ocean increases, frequency, and intensity of…

Q: What is one of the consequences of recent human migrations on human health.

A: The permanent relocation of an individual from one place (country) to another is known as migration.…

Q: How does the burning of fossil fuels lead to the imblance of all of earth systems

A: Fossil fuels called exhaustible resources are made from fossils of the prehistoric organism in a…

Q: Where are hurricanes created? What causes them to die out?

A: Hurricane are the large tropical storm which runs at a speed of 74 mph (119 km per hour) or more…

Q: Identify the three main patterns of dispersion observed in nature

A: Introduction: The dispersion pattern is also known as the distribution pattern and gives an idea…

Q: The changes in a species over time are NOT affected by -

A: Natural selection is a mechanism of evolution. Organisms that are more adapted to their environment…

Q: Describe the chain of events that connect the release of CFCs from discarded refrigerators to…

A: Introduction :  CFC's are the Chlorofluorocarbons.They are the chemical substances that are held…

Q: What do you mean by temperate?

A: In science temperate may either refer to a climatic condition or to a particular type of viruses.…

Q: Curare is a paralytic toxin once used by indigenous South American tribes to hunt game. The toxin…

A: Inhibiting acetylcholinesterase at the neuromuscular junction and Blocking reuptake of acetylcholine…

Q: The olfactory system uses population coding to discriminate one scent from another. Choose the…

A: The olfactory system is the sensory system that controls the sense of smell. It consists of a…

Q: Given a process in which a specified mass m of a species goes from one state to another and…

A: System of interest in thermosynamic are finite and the point of view taken is Macroscopic rather…

Q: 13. Which of the following statements is true about fog and San Francisco?   All of the choices…

A: Fog is a layer of could mass filled with water droplets and crystals located near the ground of…

Q: What causes red tide? How does red tide impact you? Red tides occur every year, but some years are…

A: Introduction  An algal bloom, also known as an algae bloom, is a sudden rise in the number of algae…

Q: Why do you think eruptions of volcanoes like Mt. Pinatubo might have a cooling effect on the Earth’s…

A: Introduction A volcano is a break in a planetary-mass object's crust that permits hot lava, volcanic…

Q: WHICH AMONG THE TWO THEORIES (CONTINENTAL DRIFT OR SEA FLOOR SPREADING) IS MORE TRUTHFUL AND…

A: Plate tectonics is a cohesive theory that explains numerous characteristics and processes seen on…

Q: What is one way that you could identify the troposphere? It contains 21% oxygen. It contains 28%…

A: The atmosphere is the covering of air that surrounds the earth.

Q: Pick any fly in Hartford and answer these questions 1. what attracts them 2. what flys like and why…

A: Flies are winged insects belonging to the order Diptera. They have a single pair of functional wings…

Q: Earth Day” is observed in _____ countries than “Arbor day”

A: The first earth day das celebrated on April 22 -1970 and this is sometimes also called as beginning…

Q: To determine: Two causes of regional precipitation differences.

A: Ecosystems are self-sustaining communities of living organisms that interact with their…

Q: Over the course of a year, what percent of all the stars on the celestial sphere would an observer…

A: There is technique for locating circumpolar stars or celestial bodies in Southern hemisphere. Closer…

Q: Green house gases contribute to the warming effect of the cloud systems. True or false

A: Greenhouse gases are those gases that are released into the atmosphere due to various human…

Q: True or false: from the film "Making of the Fittest", dark mice are more likely to survive in the…

A: INTRODUCTION Dark mice are a breed of mouse commonly used in laboratory experiments. They are…

Q: The seventh tablet in the Epic of Gilgamesh, in which the gods weigh the rash actions of Enkidu and…

A: The objective of the question is to identify the celestial event that corresponds to the seventh…

Q: Higher or raised altitude areas have blazing sunlight and lower temperatures as opposed to the…

A: Sun is giving the portion of electromagnetic radiation which is called sunlight. On the surface of…

Q: Where are hurricanes created? What causes them to die out?

A: A tropical cyclone is a low-pressure weather system that usually define as they are stated to be as…

Sleep Physiology

Sleep is a condition of reduced muscle movement in the body. Awareness about the surroundings is reduced at the time of sleep. The body stays mildly responsive or non-responsive to external stimuli. The sleep-wake cycle is controlled by the circadian rhythm that produces a resting phase for the body.