Search our library of homework questions

Top answers

All subjects

All levels

What are the two types of waves and what are some of their uses/sources?

Transverse:Radio signalsElectromagnetic radiationTVPhone serviceOcean wavesLongitudinal:Seismic wavesSound wavesect.

Answered by • Physics tutor

1844 Views

What is the general formula for Hydrocarbons?

Hydrocarbons have Hydrogen-Carbon bonds and carbon-carbon bonds. The formula is H_nC_2n+2This is made clear when diagrams are drawn from different hydrocarbons and you can deduce this ...

Answered by • Chemistry tutor

2841 Views

Explain how blood glucose level is controlled.

Blood glucose level is controlled by two hormones, insulin and glucagon. These are produced by the pancreas. If the blood glucose (sugar) level is too high, then insulin is released. This causes glucose i...

Answered by Amy W. • Biology tutor

2432 Views

Integrate with respect to x [x^2]

Integrate(x²)When we integrate we use the formula xⁿ⁺¹/n+1So therefore as in this case n=2So taking this all into account, the integral of x² = x³/3

Answered by • Maths tutor

3343 Views

What is the importance of the 'refractory period' after an action potential has been generated?

The refractory period is a period of recovery after an action potential where the ion channels will not open and the membrane can't be excited or depolar...

Answered by • Biology tutor

11576 Views