. Zaznacz czy zdanie jest prawdziwe (T) czy fałszywe (F):
a) During the summer, cold stress is a problem.
b) Slaughterhouses do not have to use humane methods.
c) Baler is a device that cuts up plants for use as a silage.
d) Trait selection is the process of breeding to achieve a certain trait in the offspring.
e) Combine harvester is a device that bundles hay.