What is the biggest source of pollution in the ocean? Fishing gear and materials lost at sea Oil spills Deliberate dumping (point-source pollution) such as sewers dumping into the ocean Non-point-source pollution (a combination of small sources of pollution which makes its way to the ocean in the form of runoff)

Q: the 2021 PDC fact sheet #3 states that as of june 30th, 2021 the Asteroids' chance of impact is now ...

A: Ever since the beginning of the Universe, matter and energy were created. These matters and energy e...

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A: Earthquake essentially refers to the sudden shaking of the Earth's surface. It is essentially a geo-...

Q: Which of the following organisms migrate into freshwater to spawn (reproduce)? Eels Hermit crabs Arc...

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

Q: What marine organism represents the vast majority of the ocean's biomass? Shrimp Plankton Sea cucumb...

A: Oceanography is the study of the ocean and the various aspects and processes that occur in the ocean...

Q: Why is African agriculture the most vulnerable to the impact of climate change?

A: Climate change is the biggest problem in the 21st century. The increasing rate of greenhouse gases h...

Q: Which of the following is found in detritus on the bottom of the deep ocean floor? (Select all that ...

A: In geology, detritus is defined as loose material such as rock fragments or organic particles that r...

Q: Gray whales and humpback whales (which are both baleen whales) migrate each year. Where do they spen...

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

Q: The youngest rocky surface seen anywhere in the solar system is found on   a. Earth   b. Venus ...

A: Our planetary system comprises of our star, the Sun, and everything bound to it by gravity like  the...

Q: 8. Which of the following was once the sixth largest lake in the world but has been shrinking due to...

A: Global warming and climate change are the worst consequences of human activities. Human beings are f...

Q: Which of the following statements is TRUE? A. Many of the kitchen fires that occur originate at the ...

A: Like the safety on roads and streets, one should also strive to make our homes safe for our families...

Q: What are some consequences of overfishing? (select all that apply) Fishing industry has moved down t...

A: The Earth is made up of four spheres known as lithosphere, atmosphere, hydrosphere, and biosphere. A...

Q: The hypothetical fault has been active for 50 million years, with movement beginning just after the ...

A: A fault is defined as a a fracture or zone of fractures between two blocks of rock.  It is a zone wh...

Q: Calculate the Earth’s volume. Make sure your answer is both in km^3 and in scientific notation. V = ...

A: Earth is the third planet in the solar system and it is a terrestrial planet. It has a solid, rocky ...

Q: 15) When Perseverance finds an appropriate rock, it is going to use SHERLOC (Scanning Habitable Envi...

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...

Q: Viscosity is defined as a fluid's resistance to flow. [ Select ] water is more viscous than [Select ...

A: Earth is a terrestrial planet, meaning it has a solid rocky surface. The Earth's surface is primaril...

Q: Name six planet

A: Our universe is defined as everything around us including all physical matters and energy such as st...

Q: True/False: Marine mammals, such as whales and seals, use lungs to extract oxygen from the air (and ...

A: Mammals are a group of vertebrate animals who get milk from their mothers' mammary glands. Apart fro...

Q: Where would you go if you wanted to find exposed metamorphic rocks at the earth's surface? Suppose t...

A: Rocks are naturally occurring aggregates of minerals. They compose the entire earth's exterior. That...

Q: PLEASE ANSWER ALL THE QUESTIONS : THIS IS NOT A WRITING QUESTION IT'S A FILL IN THE BLANK QUESTION A...

A: Ever since the beginning of the Universe, matter and energy were created. These matters and energy e...

Q: There are two identical samples of Granite, sample A and B. Discuss the product in detail that would...

A: Rocks are naturally occurring aggregates of minerals. The Earth's surface is made up of different ty...

Q: This olivine sand is from the famous green beach from near the southern tip of the island of Hawaii....

A: A mineral is usually a solid homogeneous crystalline material and it has a fixed chemical compositio...

Q: Safe levels of mercury consumption are determined by: All of the given answers Minimum ingestion rat...

A: Methylmercury is a type of mercury, a metal that is liquid at room temperature.  It is known to be f...

Q: Which intertidal zone is uncovered during spring tides? Low tide zone Middle tide zone Subtidal zone...

A: The long water strains that continuously move on the sea are termed waves. Due to the gravitational ...

Q: ismogram recorded at the Maesters’ station at Myr (MYR)? What is the S-P interval (lag time) for th...

A: A seismogram is a chart yield by a seismograph. It is a record of the ground movement at an estimati...

Q: Compare the ground motion associated with an earthquake that is felt but creates no damage (magnitud...

A: Earthquake essentially refers to the sudden shaking of the Earth's surface. It is essentially a geo-...

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A: Oceanography is the study of the ocean and the various aspects and processes that occur in the ocean...

Q: In the space below, briefly define and differentiate between morbidity and mortality.

A: A population is a group of individuals. A population can be of an entire nation or any community wit...

Q: Suppose that you are an exploration geologist hired to interpret the metamorphic rocks of two island...

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

Q: (17) A keystone species can be as all of the following EXCEPT: (a) being located in the region of Pe...

A: Keystone species are the important species of an ecosystem. they help in defining an entire ecosyste...

Q: What effect will population growth have on energy sources over the next 20 years

A: Energy is very essential for human civilization to develop. Energy is required for industries, house...

Q: What American region has the most shale gas deposits? 5.5 Pacific Northwest The Carolinas New Englan...

A: Shale gas is a type of natural gas which is trapped in the microscopic or submicroscopic pores withi...

Q: It is common for tornadoes to occur when cold, dry fronts encounter warm, moist fronts in the midwes...

A: The atmosphere is a mixture of gases that surrounds the Earth. The composition of the atmosphere var...

Q: The mass present in an ecosystem at a given time is the: Standing stock Maximum sustainable yield Fi...

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

Q: briefly introduce poultry production and machinery systems in South Africa or elsewhere

A: Poultry farming is the production of domesticated birds ducks, chickens, geese, and turkeys. Poultry...

Q: Round to two significant figures.   What is the gradient of a stream that has an elevation change of...

A: The slope of a river stream is called as its gradient. It is the measure of change in elevation of s...

Q: Political ecology is the study of how political and economic principles impact human-environment rel...

A: Petroleum geology is the branch of geology that studies the origin, movement, occurrence, accumulati...

Q: Discuss in not more than seve sentences the similariteis and differences between  seismic reflection...

A: The scientific study of earthquake and the transmission of elastic waves travelling through earth or...

Q: How is global warming being affected by humans and how can we try and stop it?

A: Global warming is the rise in average temperature of earth. It is due to the natural and human-induc...

Q: rue or False? Modern climate modeling on a global scale is dependent on accurate data and sophistica...

A: Weather is defined as the state of the atmosphere at a particular location at a particular time. It ...

Q: What is the main cause of surface water sinking at the polar regions to cause the deep, thermohaline...

A: An ocean current is a nonstop, coordinated development of ocean water produced by various powers fol...

Q: Which of the following species engage in activities that are similar to humans in terms of modifying...

A: The environment is composed of all living and non-living things. The term is often used to describe ...

Q: what is the most penetrating kind of radiation product that can be shielded with aluminum foil

A: The Earth comprises various kinds of matter. These matters can exist in solid, liquid, or gaseous st...

Q: 12. The EIA expects shale gas production to _____ by 2040. 5.4 decrease double triple quadruple

A: Natural gas which is trapped inside shale formations are called shale gas. Burning of natural gas pr...

Q: By referring to the figure below identify and discuss the factors that affect the adoption of new ir...

A: Agriculture is one of the major pillars of a country. It is one of the basic and important occupatio...

Q: Grey whales and humpback whales in the Pacific Ocean (which are both baleen whales) migrate each yea...

A: Whales are large marine mammals that are widely distributed. Whales are the heaviest known animals. ...

Q: True or False? An example of a tipping point would be considered the point at which a return to norm...

A: Climate is the average weather pattern of a region. It is the average of almost 30 years of weather ...

Q: What can countries control in their Exclusive Economic Zone (EEZ)? (select all that apply) Preventio...

A: The Earth is made up of four spheres known as lithosphere, atmosphere, hydrosphere, and biosphere. A...

Q: True or False?  According to the IUCN "Red List," the rate of species loss is accelerating in many t...

A: Earth is the third planet in the solar system. It formed almost 4.5 billion years ago. It is the onl...

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A: A star is a astronomical object formed of luminous spheroid of plasma held together by is gravity, t...

Q: What can be done to assist cities as their population grows?

A: A population is defined as a group of interbreeding individuals belonging to a particular species. W...