1. Identify 3 elements that are highly reactive. 2. Identify 3 elements that are inert
3. Identify 3 elements that are in the same period.
4. Compare the elements in group 18 with elements in group 17. What do you notice?
5. On the Periodic Table find 2 groups that are similar. What is similar between the groups?

Plz will mark! the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Asap. this question is 100 points if you answer it question: describe the basic relationship between ocean depth and temperature seen in the graph

What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.