1. Absolute dating is a method used to determine the age of fossils by studying the layers of rocks. 2. Gene flow involves the movement of genes into or out of a popu lation. 3. Genetic drift involves changes in allele frequency due to chance events. 4. Hardy-Weinberg Law states that a large, in erbreeding popu lation with members randomly mating will have constant gene and genotype frequencies given that there is selection, migration, or mutation. 5. Mutation are char ges to the genetic material or DNA of an organism that leads to diversity within a population.

Q: Give atleast 5 elements at home exposed to hazard? What makes them vulnerable to hazards?

A: A hazard is a potential source of harm, an event, or a circumstance that is capable of endangering l...

Q: What was the rate of motion of the Pacific plate between 4.7-2.5 million years ago?

A: The rate of motion of the pacific plate between 4.7 - 2.5 million years ago was somewhere between 7-...

Q: N

A: For question no 28 option A will be the correct answer.

Q: How common are large earthquakes?

A: The severity of the impact of earthquakes depends on a number of factors, the most important of whic...

Q: Provide waste management hierarchy diagram and explain briefly how this can help in solving land pol...

A: Waste Management Hierarchy The solid wastage from homes, municipality, and other sources can be mana...

Q: Answer clearly

A: Earth is a terrestrial planet, meaning it has a rocky surface primarily made up of silicate rocks an...

Q: Which of the following describes the sequence of the layers of the solar atmosphere from the inside ...

A: The Sun is the central star of our Solar System. It is nearly spherical, formed of hot plasma. Its r...

Q: What are the major primary pollutants in United States and other large industrialized countries?

A: Firstly, let us discuss something about pollutants,  Pollutants: The elements, molecules, and partic...

Q: 9) Please answer the question in the photo

A: This structure can be called as a dome. This is present in Mauritania .

Q: Thinking Critically What is a monsoon? How is monsoon circulation affected by the position of the IT...

A: Firstly, let us discuss what is ITCZ? The full form of ITCZ is the Inter-Tropical Convergence Zone, ...

Q: On which landmasses is the climate likely to have been warmer in Late Cambrian time than it is today...

A: Cambrian Period was one of the major periods which witnessed several changes. The period had an even...

Q: How might the sun be different if it rotated as a solid sphere rather than with differential rotatio...

A: The solar system is the gravitationally bound system of planets, moons, comets, etc. around the sun....

Q: Much of the solar wind comes from _______________________, where the magnetic field does NOT loop ba...

A: The solar wind is the solar phenomena where the charged particles are ejected out from the outermost...

Q: What’s a weather front? Is it typical of tropical or extratropical cyclones?

A: The Earth is enclosed by a blanket of gases called the atmosphere. The atmosphere serves as a protec...

Q: List several externalized costs of power production with coal.

A: External costs: They are usually unpriced costs, as they are most of the time side effects the produ...

Q: What's the difference between an equinox and a solstice?

A: The Earth is the third planet in the solar system. It takes 24 hrs to rotate on its axis and 365 day...

Q: Why should there be a tidal bulge on the side of Earth away from the moon?

A: A tidal bulge is a strain that is produced by the celestial-body that undergoes gravitational attrac...

Q: 16. What has to happen to water after it is used, before it can be used again? It must go through ...

A:   Water is essential part of our living . With the increase in wastage water and rapid increase in w...

Q: Which of the following is NOT a process of mechanical (physical) weathering? Group of answer choice...

A: The process of wearing and tearing of the rocks with the help of physical, chemical, and biological ...

Q: Thinking Critically Why did geologists have such strong objections to Wegener’s ideas when he propos...

A: Continental drift is the theory that the Earth's continents have shifted relative to each other over...

Q: The best description of this sampling technique is? Stratified Random Systematic

A: In geography a map is made using a scale, without a scale a map cannot be made as it will be difficu...

Q: Question 10 of 10 What new question occurred to scientists after they discovered that the ocean floo...

A: There were numerous expeditions done to study the depths of the ocean floor. The first of such exped...

Q: Can you answer the question?

A: The standard spatial resolution for any satellite is usually considered 30m. This means that one sin...

Q: Static charge can build up quickly on an object ________. (a) during days when the conditions are no...

A: Static charge is defined as the development of charge over a surface or an object. The static charge...

Q: Which of the following soil actions contributes to overall net losses of organic matter (and therefo...

A: Loss of natural matter additionally happens on the grounds that disintegration washes away dirt and ...

Q: Discuss the use and importance of Forest Resources.

A: Forest are type of ecosystem in which high density of trees occur in a large area of land. Trees dom...

Q: What do the four planets closest to the sun have in common? O Their solid, rock surface O Length of ...

A: The solar system is a system bounded by gravity and consists of stars, planets, and other celestial ...

Q: Answer clearly

A: An earthquake is the sudden shaking of the earth's surface due to the sudden release of the energy t...

Q: Thinking Critically Would the most violent earthquakes be associated with spreading centers or with ...

A: Firstly, let us discuss something about subduction zones, A subduction zone is the biggest crash of ...

Q: which one is earth science, life science or physical science ?

A: Earth science is the study of the Earth and the various processes that are going on in the Earth sys...

Q: How old is Earth? When did life arise? On what is that estimate based? How did the moon form?

A: Earth is the third planet in the solar system. It is the only planet known so far that can sustain l...

Q: how could an increase in wildfires impact global climate?

A: Wildfire is the outburst of fire in vegetated lands like forests, grasslands, pasture lands, etc. Wi...

Q: How many hydrogen nuclei does it take in the proton-proton chain reaction to make one helium nucleus...

A: Fusion is process by which 2 or more atom are combined to from one or more atom, in a star 2 hydroge...

Q: I love to surf. Where should I plan to live?

A: Surfing is a surface water game in which a person, a surfer, uses a board to climb to the front, or ...

Q: Thinking Analytically How much faster do fragments of diatoms fall when they are compacted into feca...

A: Many organisms frequently die in the ocean and they got deposited in the sediments. The macroscopic ...

Q: What is veering?

A:   Veering:- Generally veering refers to the sudden changing of direction.

Q: What is a volcano

A: Volcano is a rupture in the Earth’s crust through which lava, volcanic ash and gases escape from the...

Q: What do you think happens to this plastic?

A: The earth is a terrestrial planet, which means it has a rocky surface. This rocky surface is made up...

Q: What is the difference between a hurricane, a typhoon, and a cyclone? Where in the world does each o...

A: A cyclone, typhoon, and a hurricane are a meteorological phenomenon that occurs on earth. It is a lo...

Q: Earth’s orbit brings it closer to the sun in the Northern Hemisphere’s winter than in its summer. Ye...

A: Different parts and regions of the world will receive different amounts of sunlight. The seasons are...

Q: The table below lists the average distance R to the Sun and orbital period T of the first planets: D...

A: (a) The average distance of any planet can be calculated by finding the difference between the dista...

Q: Most galaxies in the universe are moving toward each other

A: Galaxy is a cluster of celestial bodies that move in free universe. The name of our galaxy is Milky ...

Q: Discuss the relationship between soil resilience and factors of soil formation

A:  Soil Resilience refers to the capability of the soil to resist and recover from the disturbances ca...

Q: What would our climate be like if the earth 's axis did not have a tilt?

A: Our earth's axis is tilted by 23.5° from vertical and rotates about this axis. Because of this incli...

Q: What is quartz mineral? How many kinds of quartz in the world?

A: Minerals are naturally occurring substances that have a specific chemical composition and a fixed ph...

Q: Which is expected to cost more, controlling climate change or adapting to it?

A:   Climate change is described as changes in weather phenomena that affect the environment on a regio...

Q: What is sediment?

A: Sediment is strong material that settles at the lower part of a fluid, particularly earth and bits o...

Q: Question 10 of 10 What new question occurred to scientists after they discovered that the ocean floo...

A: Earlier it was considered that the ocean bottom was a featureless periplanar surface with vast stret...

Q: Explain some Soil-forming factors ?

A:  Soil is a mixture of mineral water, organic matter and living organism and decaying matter of livin...

Q: Draw a systems diagram of the water budget and cycle showing the storages and flows given in the tab...

A:     Since you have asked multiple questions, we will solve the first question for you. If you want a...