Answer:
An underground cavern collapsed
Explanation:
I did research
First one i thnk???
brainliest
Answer:
Blue light
Adding 10-20% blue light allowed plants to grow much healthier, with a compact appearance. There is also far-red light which is has wavelengths that are lower than normal red light–similar to near-infrared wavelengths. Far-red light helps the plants produce greater yields.
I think the answer is most likely A
Answer:
The sand castle was gone because the sun was on it so the sand castle disappeared, also the waves of the ocean could of washed it away too.
Explanation:
The sun was on the sand castle and it caused it to disapper, also the waves of the ocean could of washed it away.
Hope this helps :)