________ are round bacteria that are arranged in various configurations

Hormonal changes contribute to nausea and vomiting in up to 70% to 85% of women in their first trimester of pregnancy.

Answer the following statement true (T) or false (F)

Which of the following sources of radiation is manmade?

1. Atmospheric fallout from nuclear weapons testing 2. Cosmic radiation from the sun and beyond the solar system 3. Nuclear power plant accidents as a consequence of natural disasters a. 1 and 2 only b. 1 and 3 only c. 2 and 3 only d. 1, 2, and 3