During which two intervals of time was the train moving with a constant, positive acceleration? A. 0–5 minutes and 10–15 minutes
B. 5–10 minutes and 15–25 minutes
C. 10–15 minutes and 25–30 minutes
D. 15–20 minutes and 30–35 minutes

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays

What mistake did john needham make that caused him to conclude that spontaneous generation for microorganisms occurred? a. he re-contaminated his boiled broth solutions. b. he destroyed the vital force in the solutions. c. he did not boil his broth solutions, only warmed them. d. he failed to seal his flasks of boiled broth. e. he allowed his assistant to conduct the experiment which he did not monitor closely.

At the age of 6 months, caleb was diagnosed with tay-sachs disease. as his primary care physician, what would you tell his parents about this disease?