Answer:
4 km/h
Explanation:
Average speed = Distance / time
Distance = 2 km
Time = 30 minutes = 0.5 hours [For units to match]
Average speed
= 2 / 0.5
= 2 x 2
= 4 km/h
Answer:
cellular respiration breaks down sugars and other molecules to use the stored energy
Answer:
The DNA that contains your genes is stored in your cells in a structure called the nucleus.
Explanation: