Laurie told her friend Sandi, "I had a headache this morning so I used an old family cure: Three sips of ginger ale, and an hour later my head felt better." Sandi replied, "I am glad you are feeling more comfortable now, but maybe the sheer passage of time made your headache go away." Sandi is offering a(n) in response to Laurie's explanation.
a) rival hypothesis
b) causal correlation
c) falsifiable pretext
d) extraordinary claim

Agene in a type of bacteria when the ses bacteria reproduce asexually this mutation can only be inherited by

Which table best shows the impacts resulting from human activity? impact of human activities human activity impact forest area cleared to construct an airport increase in oxygen level vegetation cleared to construct an oil mine increase in pollution impact of human activities human activity impact forest area cleared to construct an airport increase in sound pollution vegetation cleared to construct a power plant contamination of water impact of human activities human activity impact beehives cleared from urban areas increase in vegetation dams constructed on a river increase in fish population impact of human activities human activity impact beehives cleared from urban areas increase in bird population dams constructed on a river better quality of water

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment