Top answers

Nitrate from fertiliser applied to crops may enter ponds and lakes. Explain how nitrate may cause the death of fish in fresh water.

The applied nitrates may seep into water sources from the fields at times of rainfall. Here, they increase the nitrate concentration in the water, leading to an algal bloom. This layer of surface algae block...
JA
Answered by James A. • Biology tutor
16720 Views

Describe the process of allopatric speciation. How does this differ from sympatric speciation?

Basic level answer Description of some form of geographical separation leading to isolated populations Referencing reduced interbreeding and the development of differences between populations Identify that s...
JK
Answered by James K. • Biology tutor
4784 Views

Define cash flow and explains ways in which a business can improve its cash flow.

Cash flow is the the movement of money coming in and out of a business on a day-to-day basis. It can be improved through selling assets, cutting costs, reducing current assets and increasing current liabilit...
LG
3216 Views

Essay Question: How did women artists expand Surrealism? Discuss with reference to at least two women artists, and works of art in any medium.

Introduction: Begin with an introductory paragraph, in which you problematise the question and give context. For example, in this case, you could: - Begin by explaining the Surrealist male's approach to wome...
IH
5388 Views

How do you factorise a quadratic with a co-efficient in front of the x^2 - e.g: 3x^2 + 14x + 8

Ok so to factorise a quadratic with a co-efficient in front of the x^2 you need to follow a couple of steps: Step 1 - multiple the co-efficient by the number at the end of the expression - e.g. 3^8 = 24 Step...
NK
Answered by Nathaniel K. • Maths tutor
3991 Views