If a star were 100 parsecs away, what would be the parallax?   a. 100 arc seconds   b. 10 arc seconds   c. 1 arc second   d. 0.1 arc seconds   e. 0.01 arc seconds

Q: 20. A dome and an anticline both have what age rocks in the center? ____ 21. A syncline and a basin ...

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

Q: Which process most likely caused or formed the sedimentary rock: chemical weathering, mechanical wea...

A: Weathering is the removal of rock material that leads to either new formation of an object or disman...

Q: Is it a good idea to build on barrier islands? Why or why not?

A: Barrier islands are lengthened islands of unconsolidated silt (generally sand) moving corresponding ...

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: Discuss the species-area effect. Apply it to a discussion of species diversity on Pangaea.

A: Every area on the earth has a definite number of species living in that area. Whenever we gather inf...

Q: What is the age of the parallel ridges in the northwestern part of the state?

A:  Glacial landform is landform created by action of glaciers. most of today’s glacial landform were c...

Q: Outline some factors in natural climate variability.

A: Natural climate variability refers to the changes in different parameters of climate due to non-anth...

Q: physical science , earth science or life science ?

A: Physical science:- It deals with the study of inorganic things i.e. not the living beings. The four ...

Q: What are the four main types of marine sediments?

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

Q: ame I. Choose the letter of the best answer. Write the chosen letter on a separate sheet of paper. 1...

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...

Q: Discuss how industrial waste water affects the health of the environment and human health.

A: Industrialization and urbanization greatly affect the near environment. The wastewater from these so...

Q: What might be the possible strategies you can think of (at least 5) to prevent water scarcity and sh...

A: First we need to discover the causes of water scarcity. Then we should think about their remedies. P...

Q: What is the composition of air?

A: Air is the gaseous substance surrounding the earth surface. earth's atmosphere is layer of gases whi...

Q: Follow Directions of the image

A: Grassland soil is very rich in nutrients. The main cause of its high fertility is that it is rich in...

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

A: Earth science is a subject that relates to the study of the earth's surficial process and subsurface...

Q: 4) What would be the name of the fault type that you would see at the location of the yellow star? ...

A: Tectonic plates are piece of earth crust and upper mantle together called as lithosphere, plate boun...

Q: What processes are involved in chemical weathering? How do they relate to clay minerals?

A: The weathering or breakdown of rock by chemical processes under the influence of some chemically act...

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

A: The branches of science are generally divided into three main groups:Formal science: the study of fo...

Q: Help

A: Velocity of an object is the rate of change of its position in a time taken. it is a vector quantity...

Q: Define high-precision agriculture.

A: High precision agriculture believes in the idea of "use less to grow more". It seeks to use new tech...

Q: “Nothing is ever proven absolutely true by the scientific method.” What good is it then? Can’t we de...

A: Science is a modern aspect of dealing with any natural and artificial process. Scientific knowledge ...

Q: 5. What is the rate of movement along the fault in the past 10,000 years? This can be determined by ...

A: fault are structures which has discontinuity or fracture along a rock mass where a movement have tak...

Q: Air Mass Worksheet కలో Locations B, C, D. and I are considered colder climates. Letter Hot/Cold Air ...

A: Air mass- an air mass is defined as a parcel of air having unique characteristics such as temperatur...

Q: Explain about the Prevention of Soil Erosion ?

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

Q: Which phrase best describes the water cycle? O A. An evaporating process O B. A varying process O C....

A: The water cycle is the movement of water through the lithosphere, atmosphere, biosphere, and hydrosp...

Q: Give at least two keystone species, what their contribution to the environment is, and what would ha...

A:  Keystone species are organism which defines entire ecosystem, without such species the ecosystem wo...

Q: What factors caused the collapse of bluefin tuna populations?

A: Atlantic Bluefin tuna (Thunnus thynnus) could be a species of tuna within the family Scombridae. It ...

Q: There is always room for improvement in the implementation of the government’s actions or response d...

A: Disasters and calamities occur naturally as well as by anthropogenic activities. The people get affe...

Q: What are the most abundant elements inside Earth?

A: Earth is one of the planets in the solar system. It is the third planet in the solar system. It is a...

Q: explain why certain sectors of society are more vulnerable to disaster than others?

A: Disaster is a sudden disruption of normal life causing severe damage to life and property to an exte...

Q: Explain 1.Reduction of oxygen and increase in carbon dioxide in the atmosphere due to deforestation ...

A: Ocean acidification is defined as the gradual decrease in the ocean's pH. This implies that the ocea...

Q: What’s a buffer? Why is seawater’s buffering capacity important to marine life?

A: Earth is a terrestrial planet, but 71% of its surface is covered by the ocean. Therefore aquatic eco...

Q: Discuss the impacts and classifications of the various natural disasters.

A: Disaster- Natural disasters are the consequences of natural events which impose a negative impact on...

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: Figure 20.12 Which of the following statements about the nitrogen cycle is false?a. Ammonification c...

A: Nitrogen cycle- The nitrogen cycle is the natural biogeochemical cycle which represents the cyclic m...

Q: Thinking Analytically What implications do you think the discovery of living things in deep rocks mi...

A: Recently, scientists have discovered dense population of bacteria in rock's cracks beneath the sea f...

Q: What causes the global circulation of water deep within the ocean?

A:  Ocean water is constantly moving . Surface waves or movement is driven by the winds and deep ocean ...

Q: What statistical evidence suggests that Seyfert galaxies have suffered recent interactions with othe...

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

Q: Describe the general composition and structure of the atmosphere.

A: The general composition of atmosphere : About 99% of the atmosphere is made up of Nitrogen (78%) and...

Q: ANALYZING.  GIVEN THE FOLLOWING SCENARIOS, ANSWER WHAT IS ASKED.  1. You lived by the countryside. O...

A:   There are several ways to avoid those hazards. Certain prevention methods were different for diffe...

Q: Follow the directions of the image

A: Evaporated calcite is a rock produced by the precipitation of calcium carbonate after the evaporatio...

Q: What is the term for the breaking down of rock? O A. Weathering O B. Metamorphosis O C. Evaporation ...

A: Fragmentation of rocks and land formations occurs all the time through continuous processes that coi...

Q: please answer thank you so much

A: Firstly, let us discuss something about the water cycle Water Cycle:  Cyclic movement of water in th...

Q: How do humans both hurt and help African penguins?

A: The donkey penguin is one of the strangest types of penguins around the world because of its distinc...

Q: Which feature is part of a sustainable society?a. recycling and compostingb. use of mass transit in ...

A: Sustainable society is the one which can live in the boundary of ecological limit. in this society w...

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: 6) What would be the name of the fault type that you would see at the location of the yellow star?  ...

A: Tectonic plates are piece of earth crust and upper mantle together called as lithosphere, plate boun...

Q: Thinking Critically What are the signs of overfishing? How does the fishing industry often respond t...

A: Overfishing is the practice of removal or catching a particular species of fish at a faster rate. Th...

Q: Why do sandy beaches end up with a relatively narrow range of grain sizes?

A: The Earth essentially exists in a dynamic state. Many processes operate in its system, such as const...

Q: In what areas is there evidence that new ocean basins started to form in Triassic and Jurassic time?...

A: Triassic period, geologic period, the first period of the Mesozoic Era. It began 252 million years a...