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Levart [38]
2 years ago
12

What is the action of the sternocleidomastoid

Biology
1 answer:
Andrews [41]2 years ago
3 0

Answer:

Function. A unilateral contraction of the sternocleidomastoid muscle flexes the cervical vertebral column to the same side (lateral flexion) and rotates the head to the opposite side.

Explanation:

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How many species of organisms are estimated to inhabit the Earth
tatiyna

Answer:

8.7 million

Explanation:

About 8.7 million (give or take 1.3 million) is the new, estimated total number of species on Earth -- the most precise calculation ever offered -- with 6.5 million species on land and 2.2 million in oceans.

6 0
3 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
In which location is glucose formed?
aliina [53]

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Chloroplast of the plant cell.

Explanation:

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It's hypothesized that cells formed spontaneously in the primordial soup, but without further changes could not :
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