A new sunscreen has been developed that is supposed to be more effective at preventing sunburn. 30 participants spray one arm with the new formula and spray the other arm with the leading formula. After 4 hours in the sun, their skin is evaluated for any redness. What is the Independent Variable?a. the 30 arms with the old formulab. the 30 arms with the new formulac. Amount of rednessd. Type of sunscreene. the 15 arms with the new formula
Answers: 3
Biology, 22.06.2019 09:00
This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.
Answers: 1
Biology, 22.06.2019 11:00
What are antigens and antibodies? how are they involved in the bodyโs response to incompatible blood?
Answers: 1
Biology, 22.06.2019 11:40
What are some possible consequences of preventing prescribed burns and natural wildfires
Answers: 1
A new sunscreen has been developed that is supposed to be more effective at preventing sunburn. 30 p...
Health, 10.11.2019 04:31
Mathematics, 10.11.2019 04:31
History, 10.11.2019 04:31
History, 10.11.2019 04:31
History, 10.11.2019 04:31
Mathematics, 10.11.2019 04:31
History, 10.11.2019 04:31
Spanish, 10.11.2019 04:31
Mathematics, 10.11.2019 04:31
Mathematics, 10.11.2019 04:31
Social Studies, 10.11.2019 04:31
Mathematics, 10.11.2019 04:31
History, 10.11.2019 04:31