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How does the environment influence the growth of roots and shoots of plants?

There are 3 main environmental influences; water, light and gravity. The effect of water is known as hydrotropism. This can be positive (the plant grows towards the stimulus in this case ...

EG
Answered by Ella G. Biology tutor
3274 Views

Simplify the following: 5(x+2) - 3(6-x)

Expand the brackets to get:= 5x + 10 - 18 + 3xThen collect like terms:= 8x-8Take out a common factor:= 8(x-1)

RH
Answered by Rebecca H. Maths tutor
2882 Views

I toss a fair coin until I get two head in a row. What is the probability that I toss the coin 5 times in total?

In order to satisfy the condition, must have the 4th toss and 5th toss both being heads. Note that the 3rd toss must be tails as otherwise we would terminate the coin tosses prematurely. This leaves the f...

JX
Answered by James X. Maths tutor
2887 Views

Derive a past participle from the infinitive in this sentence to make a correct French sentence: Les lieux ont été (déserter) par les migrants car placés sous haute surveillance policière.

I explained this question in my interview. The correct answer is désertés. We went through uses of past participles in French and how they must agree with their subjects when used as passives.

CH
Answered by Charlie H. French tutor
1517 Views

Describe the mechanism of a reflex action.

A receptor detects a stimulus and generates electrical signals which are conducted by the neurones in the reflex arc. Firstly, the sensory neurone conducts the signal to the spinal cord. There is then a s...

EG
Answered by Ella G. Biology tutor
3134 Views

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