Q: Determine the topic of the passage. "Weather is driven by air pressure (temperature and moisture) differences between one place and another." Topic:
A: Weather

Q: Determine the topic of the passage. "Ethnic identity is constantly reinforced through common characteristics which set the group apart from other groups." Topic:
A: Ethnic group

Q: Determine the topic of the passage. "Naturally occurring cobalt (Co) is composed of 1 stable isotope , 59Co. 28 radioisotopes have been characterized with the most stable being 60Co with a half-life of 5.2714 years, 57Co with a half-life of 271.79 days, 56Co with a half-life of 77.27 days, and 58Co with a half-life of 70.86 days." Topic:
A: Isotopes of cobalt

Q: Determine the topic of the passage. "In mammals , testosterone is primarily secreted in the testicles of males and the ovaries of females , although small amounts are also secreted by the adrenal glands ." Topic:
A:
Testosterone