the average speed is 23.4 km per hour cause it is total distance over total time equal to average speed
The phenotype depends on the dominant allele. Only people with aa genotype will express recessive traits. Hope this helped!
Answer: Observation is essential in science. Scientists use observation to collect and record data, which enables them to construct and then test theories
Explanation:
1.0 mole ---------- 6.02x10²³ molecules
4.5 moles -------- ?
4.5 * 6,02x10²³ / 1.0
= 2.709x10²⁴ molecules units