Apart of the periodic table is shown.

which of the following elements is less reactive than the others?

beryllium (be)
calcium (ca)
lithium (li)
magnesium (mg)

Explain how organisms could be harmed by high levels of salt from roadways?

This is a biological reaction due to a stimulus. i need this quickly !

The diagram shows the results when two parents are crossed. the letters represent alleles for a trait that is controlled by three different genes. which best describes this inheritance pattern? multiple allele because a trait is controlled by three different genes polygenic because the offspring have alleles from both parents multiple allele because the offspring have alleles from both parents polygenic because a trait is controlled by three different genes