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Start learning 50% faster. Sign in nowOctopuses have three hearts, which is partially related to their blue blood. Two peripheral hearts pump blood through the gills to collect oxygen, then a central heart circulates this oxygenated blood throughout the body to provide energy to organs and muscles. Additionally, octopuses have 9 'brains' - one central brain for overall control plus eight smaller ones. For comparison:
- Birds and mammals: 4-chambered hearts (two atria and two ventricles)
- Amphibians like frogs: 3-chambered hearts (one ventricle and two atria)
- Fish: 2-chambered hearts (one atrium and one ventricle)
A rectangular prism has dimensions 10 cm × 6 cm × 4 cm. If a cube of side 2 cm is removed from one of the corners, what is the volume of the remaining...
The function f(x)=x3 −62x2+ax+9 has a local maximum at x=1. Then the value of a is:
Maximum value of f(x) = 3 cos x + 4 sin x is:
A builder needs to transport sand and gravel. A truck can carry 4 tons of sand and 3 tons of gravel. A van can carry 2 tons of sand and 2 tons of grave...
A manufacturer sells an article to a wholesaler at a profit of 20%. The wholesaler sells it to a retailer at a profit of 25%, and the retailer sells it ...
OCR stands for __________
How can you freeze both rows and columns in an Excel spreadsheet?
If A is a 3 × 3 matrix such that det (2A) = 64, then det A=?
Printer resolution is measured in which of the following?
Two poles are 30 meters and 50 meters high, and the distance between their bases is 20√3 meters. Find the angle of elevation of the top of the taller ...
