Problem: OPTIONS:
- electron
- natural
- distinct
- thermal
Q: Q: Different types of home heating systems all function by producing what type of energy? A:
Answer: thermal

Problem:OPTIONS:
- adolescence
- youth
- birth
- death

Q: Late adulthood begins in the mid-60s and continues until? A:
****
A: death

Q: Spermatogonia are the stem cells of what male sex organs? A:
OPTIONS:
- Epididymis
- Prostate
- ovaries
- testes
testes

Q: During mitosis what is replicated in the primary spermatocyte? A:
OPTIONS:
- mitochondira
- oocyte
- rna
- dna

Answer: dna

Question: Q: What is the name of the process in which both the system and its environment can return to exactly the states they were in by following the reverse path? A:
OPTIONS:
- conductive process
- Remote process
- Different Process
- reversible process
Answer: reversible process

input: OPTIONS:
- losing heat
- harnessing heat
- moving heat
- generating heat Now, answer this question: Q: Nonshivering thermogenesis, which involves the breakdown of brown adipose tissue, is a special methods newborns have for what purpose? A:
A:
output:
generating heat