Q--Is dyslexia the most common intellectual disability in US?
A--My step-by-step reasoning: An intellectual disability is reflected in below-average IQ and a lack of skills needed for daily living. Learning disabilities are weaknesses in certain academic skills. usually, Reading, writing and math. Dyslexia is characterized by difficulties with accurate and/or fluent word recognition and by poor spelling and decoding abilities. Thomas Jefferson, George Washington, and John F. Kennedy were successful presidents while being dyslexic.
So, the answer is no.

Q--Is a spice grinder ueseless for the cheapest cinnamon sticks?
A--My step-by-step reasoning: Different species of cinnamon require different grinding methods to make the spice. Indonesian cinnamon quills are thick and capable of damaging a spice or coffee grinder. Indonesian cinnamon is the most common and cheapest cinnamon in the USA.
So, the answer is yes.

Q--Can a microwave melt a Toyota Prius battery?
A--My step-by-step reasoning: A Toyota Prius uses a 202 V nickel-metal hydride battery. Nickel has a melting point of 2651 F. Microwaves rarely warm food more than 212 F.
So, the answer is no.

Q--Hypothetically, will an African elephant be crushed by Hulk on its back?
A--
My step-by-step reasoning: The Hulk is a Marvel comics character. The Hulk is said to be around 8 feet tall and weigh around 1400 pounds. An African elephant can carry up to 9,000 kg, or 19,841 pounds.
So, the answer is no.