Search our library of homework questions

Top answers

All subjects

All levels

Briefly outline and evaluate Lorenz animal studies. (4 marks)

Lorenz used animal studies to research into imprinting. Improinting is when new-born creature bonds to thetype of animals it meets at birth and begins to pattern its behaviour after them. Lorenz got a gro...

Answered by Olamide A. • Psychology tutor

13751 Views

Name one benefit to companies that have a flat management structure.

One benefit that businesses have from having a flat management structure is that it is less likely to have communication issues. This is due to the reason that flat management structures normally have bet...

Answered by Olamide A. • Business Studies tutor

1623 Views

Explain why when placed in distilled water a red blood cell would burst but a plant epidermis cell would not

The cytoplasm of both cells has a higher osmolarity/ lower water potential than the distilled water, this causes water to enter the cells via osmosis along the water gradient. The red blood cell is surrou...

Answered by Kelvin W. • Biology tutor

21408 Views

The volume, V, of water in a tank at time t seconds is given by V = 1/3t^6 - 2t^4 + 3*t^2, for t=>0. (i) Find dV/dt

The differential of a function is is rate of range of that function. Therefore to find dV/dt, we are finding the rate of change of the volume per unit time.Recall, in order to differentiate a term, e.g. x...

Answered by Samuel W. • Maths tutor

7102 Views

Explain why Magnesium has a greater second ionisation energy than strontium

Magnesium is a smaller atom with a smaller radius than strontium, this means the electron has a greater attraction to the nucleus. Also as strontium has more orbitals the electron has more shielding from ...

Answered by Kelvin W. • Chemistry tutor

13359 Views