question 19 = all the molecules are different lengths ( last answer)
question 20 = crossing over
Answer:
Due to short life cycle and mode of reproduction.
Explanation:
The main cause of the fast growth rate of Eichhornia is their mode of reproduction and shorter life cycle. Eichhornia reproduce through sexually and clonally. Its life cycle is only 10 days means that within 10 days the population of Eichhornia becomes double. It reproduces through sexual reproduction as well as asexual reproduction such as clonally which also contributes for the fast growth of eichhornia plant.
Answer:
For magma to become sediment, it would first cool and harden and become igneous rock. Weathering and erosion would expose the igneous rock and break it into sediments.
