Answer: B. Shear stress
Explanation: Shear stress is created when two objects are pushing against each other sideways. The image below shows examples of the other options and why they are incorrect.
Answer:
Ww, Ww, ww, ww, or two white-winged butterflies and two yellow-winged butterflies
Explanation:
Using the Punnett square, we can determine the possibility of white-winged and yellow-winged offsprings.
Homosapians started to use tools.