When the bags were squeezed and the smaller bag opened releasing the water, the boys felt the larger bag get warmer. "Wow! Yours is much warmer than mine." said Michael. What can Michael try to produce a hotter hand warmer? A. Use less water in the smaller bag.
B. Michael could try to duplicate Juan Carlos' procedure and amounts.
C. Use more calcium chloride in the larger bag and more water in the smaller bag.
D. Measure each reactant, experimenting to find the best ratio to produce the most heat.

List two modern organisms that have pentameral symmetry

Awoman whose sister tested positive for a specific mutation in the brca1 gene, which increases the risk for breast and ovarian cancer, is found not to have that mutation but does have a mutation of unknown significance near the known mutation site. how should this woman be counseled? select one: a. she should be informed that her risk for breast cancer is greater than the general population but not as great as her sister’s risk. b. she should be informed that because she does not have the mutation, her risk for breast cancer is not greater than that of the general population. c. she should be informed of her gene mutation status and be presented with all the available prophylaxis options and reconstruction options. d. she should be informed that she does not have the specific mutation but that because another mutation is present she should be vigilant about screening

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?