Top answers

How can bacteria become resistant to antibiotics and how can doctors reduce the number of bacteria that become resistant?

-A mutation in a pathogen may produce a new strain. This new strain may become resistant to an antibiotic through natural selection . The new strain may spread rapidly as the individual is not immune to it a...
HC
Answered by Helen C. • Biology tutor
16226 Views

Why can metal conduct electricity and heat?

Conduction is possible as delocalised (free) electrons are able to carry a charge and move through the metal.
BH
Answered by Bertie H. • Chemistry tutor
7532 Views

What does an organism use energy from respiration for?

In all organisms, allows creation of bigger molecules from smaller ones In animals, enables muscle contraction In some animals (mammals and birds), provides heat to maintain a constant body temperature In pl...
BH
Answered by Bertie H. • Biology tutor
10597 Views

How can I recognise transitive and intransitive verbs?

When reading, there are two main telling signs to look for: 1) An intransitive verb always takes the particle "ga" . For a transitive verb, "wa" will be used almost exclusively, unless &q...
AB
Answered by Andrew B. • Japanese tutor
2761 Views

How do you calculate the area of a circle?

The equation is 2πr. That is 2 x pi x the radius (not the diameter!)
NO
Answered by Nick O. • Maths tutor
3653 Views