Answer:
Explanation:
The sound wave has a wavelength of 0.773m.
Explanation:
To solve this problem we have to use the wave equation that is given below:
The charge by the nucleus of a atom has a negative charge.
Answer:
<em>Inter-phase </em>
Explanation:
<em>The cell grows and make a copy of its DNA during the interphase </em>
Answer:
haemoglobin
Explanation:
Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood. A protein called haemoglobin in the red blood cells then carries the oxygen around your body
Animals need more food when it’s cold because the cold is very cold and it can be racist so that’s why animals need more food when it’s cold