Answer:
Focal Length = 38.61cm, Power = 2.59 Diopter, Converging lens.
Explanation:
When an object is placed 25cm from Gbenga's eye, the glasses lens must produce an image 61cm away (Gbenga's eye near point).
An image 61cm from the eye will be (61cm - 1.6cm) from the glasses.
i.e. 
and 
note 
will be negative because the image is formed on the same side as the object.
finally, 
the formula for finding the focal length 
is given as
The focal length is positive which indicates converging lens
power 
but 
must be in metres
Therefore, 
Answer:
An nonlinear inverse relationship
Explanation:
Answer:
Answered
Explanation:
According to the impact theory, a glancing collision between a Mars-sized object and Earth led to the formation of the Moon. The iron core of Earth had formed before this collision, leading to the similarity between the composition of the Moon and Earth's mantle. After the collision, any iron core of the Mars-sized object would have been left behind on Earth and eventually merged with Earth's core. The Moon then formed out of the debris thrown into space by the collision.
Answer:
The Earth would increase in volume.
Explanation:
Earth's crust is less dense than the mantle.
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