TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Porphyritic textures form primarily because of _ rates of cooling.

SOLUTION: two

PROBLEM: Titanium is found in column _ along with chemically similar zirconium, hafnium, and thorium.

SOLUTION: four

PROBLEM: Chameleons have _ toes on each foot.

SOLUTION:
five