Top answers

Explain three ways in which the structure of the xylem vessels makes them well-adapted to their function.

The end walls are removed from each end, forming an uninterrupted tube, so water can pass through easily.Their walls are thickened with a woody substance called lignin , which helps to support the xylem vess...
HW
Answered by Hannah W. • Biology tutor
59256 Views

Explain the macroeconomic effects of tariffs

effects on balance of trade, growth, inflation, employment...what do these effects depend upontariff graphmarshall-lerner conditionall that good stuff :)
AB
2019 Views

I'm confused about differentiation and integration, could you explain these to me?

Let's start with differentiation. Differentiation is the instantaneous rate of change. We differentiate functions to find their rate of change as a function of their input values, this is known as a function...
GD
Answered by Gabriel D. • Maths tutor
7662 Views

Explain the difference between homolytic fission and heterolytic fission.

Homolytic fission: Homolytic fission occurs when the covalent bond breaks evenly , and each of the bonded atoms takes one of the shared pair of electrons from the bond. Each atom now has a single unpaired el...
HW
Answered by Hannah W. • Chemistry tutor
62139 Views

How do you structure an essay?

(I would usually take an example question such as: "' Alexander II's reforms were, on the whole unsuccessful,' discuss, " and use it to explain.) So here, as with most exam essays, two main things ...
DT
Answered by Daniella T. • History tutor
2724 Views