SpletTranscribed Image Text: Salivary gland- produce saliva. There are 3 pairs of salivary glands: parotid (largest), sublingual and submandibular. Composed primarily of pyramidal-shaped zymogenic cells that produce enzymes. What is the primary enzyme produced here, and what substance does it break down? SpletThis is due to the compositional change from granite, or basalt, to peridotite that comprises the upper mantle. The boundary between the crust and upper mantle is called the Moho. 3. Figure 19.7: The crust and very top portion of the upper mantle, which also includes the Moho, comprise the lithosphere.
what- The oceanic crust is composed primarily of? - Answers
Splet26. avg. 2024 · The mantle is semi-liquid, sort of like a malleable plastic and makes up 84% of Earth's volume. Earth's mantle is 2,900 km thick and is broken down into 3 main zones, the lithosphere,... SpletMany have noted an unhealthy power dynamic in the lead couple’s relationship, which is particularly problematic given that Stephenie Meyer’s readership is primarily composed of teenage girls. darty rochefort 17300
Upper mantle (Earth) - Wikipedia
Splet15. sep. 2016 · The Earth 's mantle consists of an upper mantle and a lower mantle. Explanation: The difference between these two layers of the mantle comes from the predominant mineral phases in the rock. Both the upper and lower mantle consist primarily of silicate minerals. SpletRose quartz is a mineral composed primarily of silicon dioxide molecules that typi..." Education on Instagram: "Rose Quartz. Rose quartz is a mineral composed primarily of silicon dioxide molecules that typically form at about 752°F–1,292°F (400°C–700°C). ... SpletThe mantle is the LARGEST LAYER of the earth that lies beneath the crust. It represents 84% of the Earth’s volume. The mantle goes 1,800 miles (2,900 km) deep. This layer is composed of very hot, dense rock, rich in the chemical elements magnesium, silicon, and oxygen. In the upper mantle, temperatures range between 500 to 900 °C (932 to 1,652 °F). darty rots horaires