Graph of Radioactive Isotope Decay 100 90 80 70 60 OParent Isotope 40 + Daughter Product 30 20 10 1 2 3 4 5 6 7 Age (number of half-lives) How many half lives have passed if there is only 25% of the isotope left? a 1 b 3 5. Isotope amount (%)

Q: What improvement in energy conservation on your own part will make the most impact to reduce your ca...

A: The increment in the amount of carbon in the atmosphere has occurred since the industrial revolution...

Q: Q2- A rock has been crystallized form magma then it is changed into a metamorphic rock and finally b...

A: Rock cycle is change in rock  which  starts  from primary rock that is igneous rock which forms the ...

Q: Example of a simple map showing places where landslides may pose risks in the community

A: There are several kinds of maps that are used to point out the pose of risks of landslides. These ar...

Q: How can the world resolve global warming?

A: Before discussing how to resolve global warming effects let's discuss about what is global warming? ...

Q: Why is geothermal energy not as widely used in other parts of the U.S.?

A: The heat that is generated within the earth is known as geothermal energy. Such a form of energy is ...

Q: what is greenhouse?

A: The concept of the greenhouse is being used since roman times. Later the scientific understanding of...

Q: The two circled dots are the locations in the question

A: Location of a place on earth is given with help of longitude and latitude with can be done with help...

Q: Question-based on, "caldera".   Perhaps make an arrow to them.   -the resurgent dome  - highlight/al...

A: Caldera are large hallow type shaped which are formed after all the magma from magma chamber has emp...

Q: iiiii Suggest remedial measures for cleaning up the polluted environment .

A: Remedial measures are measure or action which should be taken to investigate, measure, clean remove ...

Q: Landslides may be triggered by earthquakes or by heavy rains. Select one: a. True b. False

A: Landslide is defined as mass wasting of different types, such as rockfalls, debris flow, mudflow, et...

Q: A radioisotope has a half-life of 6 hours. If thesc are 100 undecayed atoms, how long will it take f...

A: Radioactive elements are those which are unstable elements. In order attain stability, this elements...

Q: A phase is a state of matter, such as a solid, a liquid, or a gas. Which phases would you see? Expla...

A: State of matter is form in which matter can exist. there are four states of matter which can be obse...

Q: Example illustration showing how different exogenic processes happen in a community / ecosystem.

A: Exogenic forces are the one which gets its energy from the earth exterior forces or from the earth a...

Q: Fill in the blanks

A: Relative humidity is the measure of the amount of water vapour determined with respect to the temper...

Q: Structural geology is synonemous with Remote sensing O Geophysics Plate tectonics Tectonic O Geochro...

A: Structural geology, is the study of the deformation of rocks and to understand the cause of deformat...

Q: Identify which nonrenewable energy use is potentially environmentally harmful.

A: Energy is an important factor for human civilization and development. Different energy sources are u...

Q: What is a half-life?

A: Radioactive elements are unstable in nature and to attain stability this element emit atomic radiati...

Q: 11.(a) Why neutron log is considered as very effective technique in knowing reservoir properties. Gi...

A: Neutron log is a part of nuclear log in which radiations are used for knowing the characteristic &am...

Q: Where is water stored on earth and is there a general proportions of different places we find water

A: Water Water is an essential matter for existence of life on the planet. It occupies about 71℅ of tot...

Q: 1. All types of plate boundaries have the ability to produce earthquakes. (Use the USGS earthquake m...

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

Q: Structural geology is synonemous with Remote sensing O Geophysics Plate tectonics Tectonic Geochrono...

A: Geology is the branch of science that studies the Earth, the processes that are taking place on it. ...

Q: What accounts for patchy vegetation on google earth

A: Google earth is a geographic software that displays a three-dimensional globe instead of a flat shee...

Q: a) From the graph (right), determine the average rate at which the temperature changes per kilometer...

A: The atmosphere is the layer of mixed gases, water vapor, solid particles, etc. that is surrounding t...

Q: Where would you expect to see erosion occurring? Select all locations that apply.   A B C D...

A: Erosion is a process of disintegration and displacement of sediments from a place to another. The er...

Q: Structural geology is synonemous with Remote sensing Geophysics Plate tectonics O Tectonic Geochrono...

A: Structural geology is a 3-dimensional study of rock with respect to the study of its deformational h...

Q: Why is an air mass unlikely to form over California? Group of answer choices A. Large areas of flat...

A: An air mass is a huge parcel of air with uniform temperature and moisture. It can extend thousands o...

Q: Is the Earth spherical or flat, and if it is spherical, prove this by using mathematical equations t...

A: Earth , no doubt is Spherical ,  Ancient Greek  have known this fact in 500 B.C. , they had develope...

Q: My question is on Meteorology: " What parcel temperature will be obtained after lifting an unsaturat...

A: The adiabetic lapse rate of a dry unsaturated parcel of warm air with no liquid moisture like clouds...

Q: Q2. The volcanic eruption explosiveness caused by several reasons. Numerate and explain how each one...

A: Volcanoes are the vents or fissures in the Earth's crust from which hot lava, volcanic gases, and as...

Q: The two circled dots are the locations in the question

A: ocean current is a predictable known continuous directional motion of ocean water which are wind dri...

Q: help

A: Earth is the third planet in our solar system. The Earth rotates on its axis in almost 24 hrs and re...

Q: Explain why warming is happening at a faster rate at the North Pole than at the South Pole.

A: The large scale variations in weather patterns and average climatic patterns worldwide are being obs...

Q: What is one of the major disadvantages of solar energy A. It can only be done near a plate boundar...

A: Energy is an essential aspect of our daily life processes. Energy is defined as the capacity to do t...

Q: Eutrophication is an indication of water pollution caused by increasing concentration of phosphorus ...

A: Eutrophication is a phenomenon in which uncontrolled growth of flora takes place in a water body. Th...

Q: Chemistry and Environmental Pollution Explain the following statements :(i) Based on their biochemic...

A: Heavy metals are element / metals which have higher density this mineral is poisonous even at lower ...

Q: Explain how poverty contributes to vulnerability to natural hazards?

A: Vulnerability refers to an individual's ability or group of individual's diminished capacity to anti...

Q: Into what subgroups can silicate minerals be divided?

A: Minerals can be defined by an inorganic element or compound that forms naturally having a definite i...

Q: How terminal moraines are formed explain with the help of diagram.

A: A moraine is an accumulation of the sediments and rocks that have fallen to the glacier surface or h...

Q: In an endothermic reaction, energy is

A: A reaction is a process in which one or more substances or reactants are converted to different prod...

Q: soil forms from rock called ?

A: Soil is considered a weathering product of rocks. Soil primarily contains mineral matter, organic ma...

Q: QUestion bassed on, "unconformity".   I have tried it but got it incorrect.   Please be clear.

A: An unconformity is defined as the period of  non- depositional or a period of erosion. The unconform...

Q: The air is unstable around Galveston Island on a warm summer day, leading the air parcel to rise. Wh...

A: DALR = 6oF/1000 ft WALR = 3oF/1000 ft At, the surface level, 0 feet, parcel temperature = 94oF It re...

Q: Eagle Fault K-Canyon C Brecith dasts of i and F H-Vulture Fault Erosional unconforminy -M atalt I-Sh...

A: A unit of rocks which contain different rock with variety of separate layers overlying each other th...

Q: Q2- A rock has been erystallized form magma then it is changed into a metamorphic rock and finally b...

A: Rock cycle is change in rock  which  starts  from primary rock that is igneous rock which forms the ...

Q: What's the difference of sedimentary and inegous

A: The earth crust is chiefly comprised of rocks and products of rock weathering. The aggregation of on...

Q: Discuss about Ultimate Bearing Capacity and types of bearing capacity failures. Write the condition...

A: For the construction of any type of structure, the basement is strongly checked. The basement could ...

Q: Viewed from Earth, how does the Moon’s appearance change during the first week

A: The celestial body recognizes as the earthly natural satellite, i.e., moon, that glows through day-s...

Q: Environmental

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

Q: What is the meaning of guideline

A: Guidelines are essential for a practical and ethical framework for the predefined processes. Guideli...

Q: QI- Explain in details how metamorphism alters rocks? Q2- How mineral of igneous rock can be crystal...

A: Firstly, Let's discuss about the terminology used in the question: Metamorphic rock: It's a class o...