Hello,
Placing a rat in a cage where electrical shocks over which the rat has no control are occasionally administered through the floor is a way to create → <span>learned helplessness
Good luck :)</span>
10.00-6.11=3.89
1 9 1
10.00- __turns to__
09.00- __turns to__
09.00- __turns to__
09.90-
06.11 ___________ 06.11____________
06.11 ____________ 06.11
03.89 02.89 03.79 03.89
Answer:
500-million-year-old fossil found in BC is ancient ancestor of spiders and scorpions. Palaeontologists in British Columbia have found a fossil of the oldest known ancestor of scorpions and spiders.
yes, cell organelles can be seen with a microscope
