1. Which individual(s) in the pedigree shown below must be a carrier? a. 1 only
b. 4 only
.c. 3 only
d. both 1 and 4

Long term exposure to waves can cause sunburns and skin cancer.

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.

Pl as time goes by and water goes through the water cycle again and again, the amount of water on earth: increases decreases ostays the same goes up and down