Professor Hebb is studying whether learning is affected by different environments. He raises some rats in cages with many interesting objects to play on and explore. Other rats are raised in isolated, barren cages with none of the interesting objects. Later, Hebb carefully records how many attempts it takes each rat to learn to run a maze with no mistakes. What is the independent variable in this study

if you are on the computer you can not take a picture but you can upload one but i am not sure about phones but i'm pretty sure it's the but to upload one just click the paper clip looking thing/ link thingy thing and upload a pic

the answer is the petition of right.

explanation:

offer to of right, real demand of attesting a benefit against the english crown, the most remarkable point of reference being the petition of right of 1628, which parliament sent to charles i fussing of a movement of oversteps of law. the term also implied the framework (invalidated in 1947) by which a subject could sue the crown.   taking a gander at the frameworks used by maria amidu to make a standard in 2015 commending the 1628 petition of right, which was sent to charles i by the english parliament. at uniquely based law the crown, or the sovereign in his official cutoff, couldn't be sued in the ruler's courts. since the ruler was, really, the superior ace of those courts, coordinating value in them between his subjects, he was not subject to their ward. therefore it transformed into a preparation, at whatever point a subject's certified or individual property had come into the responsibility for ruler or his specialists without legitimate perfect, for the subject to engage the master in chamber for its recovery.

answer; financial accounting;

the answer is implicit statements