Problem: OPTIONS:
- sonar
- light
- gravitational
- mechanical
Q: Q: Wavelength and frequency are defined in the same way for electromagnetic waves as they are for which other waves? A:
Answer: mechanical

Problem:OPTIONS:
- Acidic oxides
- hydrogen oxide
- Basic Oxides
- sulfur oxide

Q: What is produced when sulfur and oxygen combine? A:
****
A: sulfur oxide

Q: What are the two layers of the skin? A:
OPTIONS:
- dermis and epithelial
- sebaceous and salivary
- epithelial and endometrial
- epidermis and dermis
epidermis and dermis

Q: Hemolymph bathes organs directly in arthropods and most molluscs, due to an open type of what system? A:
OPTIONS:
- nervous
- pulmonary
- reproductive
- circulatory

Answer: circulatory

Question: Q: What is the term for the process in which two atomic nuclei fuse together to make a single nucleus? A:
OPTIONS:
- absorption
- fission
- binding
- fusion
Answer: fusion

input: OPTIONS:
- extraordinary mutations
- helpful mutations
- healthy mutations
- beneficial mutations Now, answer this question: Q: Mutations which benefit the organism in which they occur are known as? A:
A:
output:
beneficial mutations