Kate is a research assistant for her favorite biology professor, Dr. Ogechi. Dr. Ogechi is interested in studying the effects of feeding a certain chemical to rats to see how it affects their appetites. Kate knows from her economics class that to isolate the effects of a particular phenomenon, all other things must remain the same. In Latin, this is referred to as . In order to keep all other things the same and isolate the effects of one particular variable in the biology experiment, Kate will want to do which of the following? Check all that apply. Offer the same type of food to the rats in each trial. Avoid drawing conclusions after one trial. Make sure all tested rats are the same age

Jose recently died with a probate estate of $900,000. he was predeceased by his wife, guadalupe, and his daughter, lucy. he has two surviving children, pete and fred. jose was also survived by eight grandchildren, pete’s three children, naomi, daniel, nick; fred’s three children, heather, chris and steve; and lucy’s two children, david and rachel. jose’s will states the following “i leave everything to my three children. if any of my children shall predecease me then i leave their share to their heirs, per stirpes.” which of the following statements is correct? (a) under jose’s will rachel will receive $150,000. (b) under jose’s will chris will receive $150,000. (c) under jose’s will nick will receive $100,000. (d) under jose’s will pete will receive $200,000.

(a) what do you think will happen if the price of non-gm crops continues to rise? why? (b) what will happen if the price of non-gm food drops? why?

If the family’s net monthly income is 7,800 what percent of the income is spent on food clothing and housing?