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antiseptic1488 [7]
3 years ago
15

The most common type of joint which are freely movable are called

Biology
1 answer:
Illusion [34]3 years ago
5 0

A synovial joint, also known as a diarthrosis, is the most common and most movable type of joint in a mammal's body. Diarthroses are freely movable articulations. In these joints, the contiguous bony surfaces are covered with articular cartilage and connected by ligaments lined by synovial membrane.

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True or false <br> How an animal obtains food is part of its niche
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False

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A niche is making a living as a top carnivore.

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Blue, brown, and green beetles from a forest migrated to a rocky mountain after a natural disaster. In the new environment, brow
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Which sensory organ would best detect the movement of a rabbit?<br><br> A.<br> B.<br> C.<br> D.
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8 0
2 years ago
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Calcule la molalidad de una<br> 20g Ca Cl₂ en 250g de<br> que contiene<br> solucion<br> H₂O.
ahrayia [7]

Answer:

The solution is 0, 90 molal. See the explanation below, please

Explanation:

Molality is defined as moles of solute in 1 kg of solvent (1000 grams). The following three simple rule must be performed:

We calculate the weight of 1 mol of CaCl2

Weight Ca =40, 078 g

Weight Cl= 35, 453 g

Weight of 1 mol of CaCl2=40, 078g + 2x (35, 453g )= 110, 98g

110, 98 g ---1 mol

25 g---X= (25g x1 mol)/110, 98g= 0,23mol

250g solvent -----0,23 mol CaCl2 (the solute)

1000g solvent ----X = (1000g x0,23mol)/250g =0,90 mol solute

The solution is 0,90 molal

8 0
3 years ago
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