Who was the first U.S. Cabinet member to be convicted of a felony for the Teapot Dome Scandal?

Albert Fall

Which marine animal uses its large tusks to break through ice in the Arctic? What type of animal is a Komodo dragon? Which colorful caterpillar appears in a famous children's book by Eric Carle? The Okavango Delta lies primarily in which African country? Who in the Marvel universe uses the powerful artifact Ebony Blade?