Question

Question was provided via image upload.

Explanation:

To solve the crossword, we analyze each clue:

Across (Assumed, as some clues are partially visible)

• 5 (Mucilage? Visible): Marsh mallow plant’s slippery jelly - like substance in roots is mucilage (matches the filled - in letters).
• 6 (Mitochondria? Visible): Organelles that generate energy for cells are mitochondria (matches the filled - in letters).
• 11 (Squidward? Visible): A character based on a giant Pacific (likely “squid”) - related, “Squidward” (from SpongeBob) fits.
• Omnivore (Visible): An animal that eats both plants and animals is an omnivore (matches the filled - in letters).

Down

1. Mineral named after Stuart Northrup: Likely northupite (7 letters, fits the vertical space).
2. Lead sled dog (Nome serum run): The lead dog was Togo (matches the filled - in “TOGO”).
3. 2017 lightning bolt (from... to Missouri): The record - setting bolt stretched from Oklahoma to Missouri (matches the filled - in “OKLA” - likely “OKLAHOMA” for the start, with the visible “OK” in the grid).
4. Deadly infection in Nome, 1925: Diphtheria (matches the filled - in “DIPHTHERIA” - visible “D” and subsequent letters).
5. Giant sewer blobs: Fatbergs (two words? Wait, the clue says “two words”? No, “fatbergs” is one word, but maybe “sewer fatbergs”. Wait, the filled - in for 8 is “Fatbergs”? Wait, the grid has “FATB...”, so fatbergs (giant blobs of grease, food, trash in sewers).
6. Closed path for electricity: A circuit (matches the filled - in “CIRCUIT”).
7. Eliminated from marshmallows (1950s): Egg whites? No, “gelatin”? Wait, the grid has “E” at 13 down. Wait, in the 1950s, marshmallows eliminated lard? No, “egg” - no, the visible letter is “E”, so maybe egg? No, better: In the 1950s, marshmallows eliminated lard? No, the correct answer is lard? Wait, no, the grid at 13 down has “E” as the first letter. Wait, the clue is “American candy manufacturers eliminated __ from marshmallows”. The answer is lard? No, “egg” - no, maybe gelatin? No, the visible letter is “E”, so egg? No, perhaps lard is wrong. Wait, the filled - in at 13 down is “E” - maybe egg? No, let's check the grid. The 13 down has one cell filled with “E”, so the answer is likely egg? No, better research: In the 1950s, marshmallows started using vegetable - based gelatin instead of animal - based, but the clue says “eliminated __”. Wait, the correct answer for 13 down is lard? No, I think the filled - in “E” is part of “egg”, but no. Wait, the grid at 13 down: the first letter is “E”, so the answer is egg? No, maybe lard is incorrect. Let's go back.

Final Filled - in (Key Answers)

• 2 Down: Togo
• 3 Down: Oklahoma (start, with “OK” visible)
• 7 Down: Diphtheria
• 9 Down: Circuit
• 11 Across: Squidward
• 6 Across: Mitochondria
• 5 Across: Mucilage
• Omnivore (Across): Omnivore

(Note: Some clues are partially visible, so the above is based on the visible grid and common crossword knowledge for these topics.)

For example, the answer for 2 Down (lead sled dog) is:

The 1925 Nome serum run had a lead sled dog named Togo, matching the grid’s “TOGO”.

Answer:

1. Togo