The mineral group formed by double chains of silica tetrahedra (along with various other cations) is the: amphiboles feldspars olivines

Q: why do farmers find production of hybrid seeds only ?

A: We need to write down that why farmers choose hybrid seeds for the production of crops.

Q: Help me identify these two sampls; 42, 82. Identify by answering the questions: 1. Colors 2.…

A: INTRODUCTION  NAME: Basalt is an igneous, mafic, and volcanic rock which is produced by lava flows…

Q: . Analyze human and economic impacts of recent notable disasters and the effects of these impacts to…

A: Impacts of recent crises of human life and economy:  There was a heavy loss of human life were…

Q: Discuss about one of the 15 executive departments of the cabinet that has a significant impact on…

A: The Department of Health and Human Services is one cabinet executive department that has a…

Q: If you planned a vacation and wanted to have 20 hours of sunlight for sightseeing activities around…

A: we need to write down that at what destination one should go to get 20 hours of sunlight around 21st…

Q: The block diagram below summarizes the major stages of stars with masses similar to the sun. In…

A: Different stars have different masses, and a star's mass affects both how brightly it shines and how…

Q: PH Chloride Iron Sodium Conductivity PASSED O O O O FAILED O O O

A: PH- Failed According to the U.S. Environmental Protection Agency, the pH of water sources should be…

Q: Sunspots appear dark because... (A) the Sun's light is being absorbed by magnetic fields (B) they…

A: The sun spots are the darker regions appear in the photosphere of the sun at the outer part. The sun…

Q: What is the difference between a manipulative and natural experiment? Does correlation in data…

A: What is the difference between a manipulative and natural experiment? In the manipulative…

Q: nder atgrass each organism below that is a secondary consumer in this food chain. katydid ender…

A: Primary consumers are those animals which eat plants and herbivores and Secondary consumers are…

Q: 3. The pressure, velocity and density perturbations for a one-dimensional acoustic wave are…

A: a. The pressure, velocity, and density perturbations of an acoustic wave may be related using the…

Q: What happens to electrons when a covalent bond is formed? They are shared between the bonded atoms O…

A: They are shared between the bonded atoms is the correct option. Atoms share electrons to create a…

Q: From 1706 to 1776, what expanded greatly to increase the movement of ideas and goods?

A: The 18th century was a time of cultural, geopolitical, and cognitive upheaval. Since the ideals of…

Q: Q1: A forward and reverse refractive seismic survey was conducted, and the arrival times of seismic…

A: Assuming distinct velocities in each layer, the arrivals from the first and second levels will have…

Q: is is Geology! Please Identify the two minerals shown below answering the following questions: 1.…

A: Sample 23B 1. Mineral: Biotite known as also black mica (K(Mg,Fe)3AlSi3O10(OH,O,F)2) 2. Hardnes: 2.5…

Q: 2. Again using a scale of 1 cm = 25 km, how long a line would you draw to represent an actual…

A: GIVEN, 1 cm= 25Km 750Km= 30cm so we have to draw a 30cm line to represent 750 Km

Q: Explain the idea that “debris cover on mountain glaciers provides protection against the effects of…

A: In the accumulation area, one can find debris which get trapped in the ice, due to the rockfalls,…

Q: 5. 29" 2F 6. 2F

A: Introduction These images represent reflection and are presented as below.

Q: Which type of energy is generated by harnessing powerful ocean currents? Geothermal Tidal Biofuel O…

A: INTRODUCTION  Tidal power technology harnesses the energy in the movement of the tides, which are a…

Q: Differences in the temperature and pressure within the inner core causes convection currents in the…

A: The core is separated into two parts. Those are inner and outer cores. The outer core is having the…

Q: Object Mercury Venus Earth A Moon (satellite) Mars Icarus (asteroid) Jupiter Saturn Uranus Neptune…

A: Q.No 1 Answer: C. The orbit of Venus closely matches with circle. Q.No. 2 Answer: B. The orbit of…

Q: When you review the lightbulb with different power (variable current), you observe that as the…

A: The brightness of a lightbulb is a result of its power. As the power increases, temperature also…

Q: NAME: GRADE & SECTION: 1. SAMPLE 3. 1 CONCAVE AND CONVEX MIRROR WORKSHEET 2. 4. DATE: 2F

A: 2. Figure 1: Object at 2F' 3. Figure 2: Object between F and 2F' 4. Figure 3: Object at F

Q: How can rocks be classified? List three classes of rocks according to their origin. Give examples.…

A: We need to list the rocks according to their origin and also need to give their examples.

Q: Research the Food and Drug Administration (FDA) website and find the main functions of this agency.…

A: As per the bartelby guidelines, we can only first question but i tried to solve as much as i can. 1.…

Q: Inner gorge Nonconformity Angular unconformity Nonconformity Tonto Group Unkar Group Bright Angel…

A: Unconformity: An unconformity is simply a break or hiatus in time recorded in the continuous…

Q: Do you know of any news stories from around the world that talk about environmental threats to…

A: Answer 1: The environment can have a significant impact on our health in a variety of ways, from the…

Q: Why is uplift crucial to the process of precipitation

A: Precipitation is the process of condensation of atmospheric water. Condensation is the process of…

Q: What type of unconformity is between B and E? How do discomformities differ from nonconformities?

A: n the given figure, there are seven strata (A, B, C, D, E, F & G). There is also a sill(H)…

Q: Through the mid-20th century, the major objection to Alfred Wegener's continental drift hypothesis…

A: Answer) Alfred Wegener was the first scientist who proposed the theory of continental drift. He said…

Q: Review the Atmospheric Evolution section of the Early Earth video tutorial. Match up the…

A: The early Earth was lacking atmospheric gases after volcanic activity and degassing causes the…

Q: Match the name of spectra the description Continuous spectrum emission line spectrum absorption…

A: We need to match the name of the spectra.

Q: This is a meteogram for Spokane, WA. Use it for questions 5-10. SPOKANE INTL ARPT, WA (GEG) TMPF…

A: Due to its elevation and significant winter precipitation, Spokane has a warm-summer humid…

Q: Many common phrases reflect the ancient Earth-centered view of our universe. For example, although…

A: Other familiar expressions that infer an Earth-focused perspective incorporate "the stars are out…

Q: Explain why some people think that the Anthropocene began thousands of years ago, rather than…

A: INTRODUCTION  The word Anthropocene comes from the Greek terms for human ('anthropo') and new…

Q: It is winter in Montreal and you are walking through a park covered in snow. Looking around, you see…

A: Instead of actual remnants, a trace fossil is an impression or mark that an organism or an…

Q: Assuming Daisyworld's temperature starts at its stable equilibrium point, as the luminosity of the…

A: INTRODUCTION    the planetary temperature radiative equilibrium is assumed this equilibrium achieved…

Q: The Big Bang theory states that Temperatures had to remain above 1 billion degrees in order for…

A: According to the Big Bang theory, the Universe's present and past matter both originated at the same…

Q: Compare the brightness of 2 stars: star A has apparent magnitude of 2, star B has apparent magnitude…

A: Hipparchus intended for each magnitude grade to be roughly twice as bright as the grade above it…

Q: What do you mean by water harvesting? Write two traditional systems of water conservation.

A: Answer: WATER HARVESTING: Generally speaking, "water harvesting" refers to the process of gathering…

Q: Tonight you see a waning crescent moon. Seven days from now, which phase will you see if the night…

A: Seven days later, the phase of the Moon would be a waxing gibbous. It's about half we see about half…

Q: Assuming Daisyworld's temperature starts at its stable equilibrium point, as the luminosity of the…

A: According to the Daisyworld Model, the temperature of a planet with no daisies, shall increase…

Q: Give 3-4 examples of why this factor(COST: one of the three components of the Iron Triangle of…

A: Iron Traingle of Health Care: It is a concept of Medicine which was proposed by an American…

Q: Your travel on Earth has brought you to a point where you have maximized your latitude. Ironically,…

A: Latitudes runs from E-W they generally measured in the N-S direction. This is generally a number…

Q: Rank, form hottest to coolest, the temperature of the stars:

A: From hottest to coolest: C-A-D-B-E.   The diagram shows that the size of the circles represents the…

Q: Complete the Data Table as students act out the earthquake. Team # 1 2 3 4 5 6 7 8 Block: 6 's the…

A: The Difference between P Waves and S Waves P waves are compression waves along the axis of source…

Q: What are some potential limitations in drawing conclusions about the future climate from studying…

A: We need to write down the potential limitations when we draw the conclusions about the future…

Q: Try to remember a disastrous calamity that happened in your locality, and explain how was your…

A: A natural calamity is the sudden outbreak of a terrible event in nature that is associated with…