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Describe how different environmental factors affect the direction of root and shoot growth in plants. You should refer to the role of plant hormones.

You could refer to the following. Shoots grow upwards towards light (positive phototropism) and grow against the force of gravity (negative gravitropism). Roots grow with the direction of gravity (positive g...
LP
Answered by Liam P. • Biology tutor
25403 Views

What is the difference between the verbs "estar" and "ser"?

Both "estar" and "ser" mean "to be". However "estar" should be used when describing something temporary. For instance, when describing a location or explaining a state...
ML
Answered by Megan L. • Spanish tutor
5556 Views

How does the structure of diamond influence its properties?

Diamond has a giant structure of carbon atoms held together by strong covalent bonds: - Diamond is made up of many strong covalent bonds, so a lot of energy is needed to overcome them, so diamond has a high ...
AA
Answered by Annabel A. • Chemistry tutor
9681 Views

Solve equations 2x+y=9 and x+2y=6 to find x and y.

First of all we need to rearrange the equations in a way which allows us to get rid of either the x or y variable. To do this we need to have either the same number of x's or same number of y's in both equat...
JB
Answered by Jake B. • Maths tutor
15235 Views

How can I learn new vocabulary?

Everyone learns in different ways, but some of the most common ways of learning new vocabulary are explained below. Try the techniques to work out which way works best for you, and you can adapt it as necess...
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Answered by Danielle P. • Spanish tutor
3620 Views