!which of these statements is true about chemical reaction rates? the reaction rates can change. the reaction rates cannot increase. the reaction rates cannot decrease. the reaction rates are always constant.

This line graph compares the growth of plants that were kept in the sun for different amounts of time.a)  on day 7, the plants kept in the sun for 3 hours were how tall? b)  on day 7, the plants kept in the sun for 6 hours were how tall? c)    on day 10, the plants kept in the sun for 9 hours were how tall? d)  on day 11, the plant that was grown with 1 hour of sunlight was how tall? e)  based on the graph, the plant grows best in what amount of sunlight?

Consider the elements bromine and chlorine; which elements has a larger ionic radius ?

What human activity increases beach erosion?