Both flowers and runners help a plant to reproduce.
Explanation:
Both flowers and runners help a plant to reproduce. While a flower help in sexual reproduction, a runner helps in asexual reproduction.
A flower has both male and female gamete at one place. When the pollen grains with in a flower reaches the female ovary, a new seed is produced which has the potential to develop into new plant. In case of runner (which is a stem), the tip of the stem has the potential to grow into a new plant
ln most cases inorder to obtain the mass of a liquid one measures the mass of both the liquid and the container it is in and after wards remeasures the container alone and later subtract the mass of the container alone from the total mass of both the container and the liquid
