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Look at the two fractions to see what multiplier has been used. In this case, the denominators are both known: 8 and 24.

8 has been multiplied by 3 to get a new denominator of 24.

This means...

ADH (Anti-diuretic hormone). First his blood plasma becomes more concentrated. This is detected by receptors in the hypothalamus which stimulates the pituitary gland to secrete ADH. ADH enters the blood s...

x=x₀+v₀t+1/2at²

A destructive plate boundary occurs when convection currents in the magma causes one plate to be forced under another an melted in the molten layer. This causes pressure to rise on the plate above, and ca...

There are three rays whose direction is known:

The ray passing through the intersection of the lens and the optical plane does not change its direction.

The ray passing through the object fo...