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The answer is 0,505.
Melting point (of gray selenium) 217°C Boiling point (gray) 684.9°C
the velocity at the start is the same as when it comes back down to the level. At the top velocity is zero and at the bottom the velocity is acceleration x time where time is 1.37/2 = 0.685s. Acceleration is that of gravity or 9.8 m/s/s, so projectile velocity is 9.8 x .685 = 6.7 m/s; in US system that is 22 ft/sec or 15 mph
There is emerging evidence that, in fact, they do. Here's a paper from the Journal "Plant Cell," pointing out the existence of an organelle in a plant cell that meets every criterion of a lysosome: "Barley Aleurone Cells Contain Two Types of Vacuoles: Characterization of Lytic Organelles by Use of Fluorescent Probes." Sarah J. Swansona, Paul C. Bethkea, and Russell L. Jones . Plant Cell, Vol. 10, 685-698, May 1998http://www.plantcell.org/cgi/content/full/10/5/685 Here's a passage from the paper:" The existence of lysosomes in plants has long been debated (see, e.g., Moriyasu and Ohsumi 1996 ). Matile 1975 recognized that catabolic enzymes were essential for sustained biological activity and that these enzymes must be compartmentalized to prevent their indiscriminate hydrolysis of biopolymers. He proposed that plant proteases, nucleases, phosphatases, and other degradative enzymes were constituents of a "lytic compartment," a compartment that included the extracellular space, vacuoles, and other organelles containing lytic enzymes. With improved techniques for vacuole isolation, it became clear that many plant vacuoles contain enzymes found in animal lysosomes (Matile 1978 ; Wink 1993 ). Plant vacuoles were therefore seen as fulfilling the role of the animal lysosomal system (Boller and Wiemken 1986 ). " This is just one paper of many reporting plant cell lysosomes. The first such report appeared more than 30 years ago: Matile (1968) "Lysosomes of root tip cells in corn seedlines." Planta 79: 181-196.
By unit of length and distance and conversion ,we can say that 1 cm =0.3930 in 9 cm=3.54 in
685 g = 1.5102 pounds.
there are 0.685 meters in 685 milllimiters.
685 minutes? = 11.41 hours
685 US gallons = 2,593 liters.685 Imperial gallons = 3114 litres
1000 mm = 1 m so 685 mm = 685/1000 = 0.685 m. Simple!
The answer is 0,505.
There are 0.3048 metres in one foot. Therefore, rounded to two decimal places, 685 metres is equal to 685 / 0.3048 = 2247.38 feet.
2,247 feet
It is: 685/1
685
685 - 548 = 137
685 miles