Top answers

Which prepositions take the dative?

Aus, bei, mit, nach, seit, von, zu, gegenueber.
SF
Answered by Sophie F. • German tutor
2846 Views

Explain the process of synaptic transmission

The synapse is the junction between two neurons. When an action potential reaches the synaptic knob of a neuron, voltage-gate calcium channels are opened, causing an influx of positively charged calcium ions...
HJ
Answered by Heather J. • Biology tutor
12376 Views

When and how to use the passé composé and the imperfect tenses in french?

Usage:In French, if you want to talk about an action which occured and which has completed; for example 'Jake ate the apple', you would use the passé composé. This is a specific event which has taken place. ...
JH
Answered by Jacob H. • French tutor
7040 Views

Define the term ‘infant mortality rate and suggest why ‘infant mortality rate’ is a useful development indicator.

Infant mortality rate is the number of babies who die before the age of one per thousand live births per year. Infant mortality rate shows how countries survival rates vary due different stages of developmen...
PG
Answered by Polly G. • Geography tutor
17738 Views

A musical instrument produces a sound wave with a frequency of 1000 Hz. The sound wave has a wavelength of 0.34 m in air. Calculate the speed of the sound wave in air.

From the equation for speed: Speed = frequency * wavelength => v = 1000 * 0.34 = 340 metres per second
LD
Answered by Laura D. • Physics tutor
16319 Views