28. In which of the following circuits will R. not have current while Rx does have current through it? R
W
ਸਨੂੰ
R
AB
Rਰੂ
PRZ
W
B R
(2)

Answerthe global climate during the paleogene departed from the hot and humid conditions of the late mesozoic era and began a cooling and drying trend which dispite having been periodically disrupted by warm periods such as the paleocene-eocene thermal maximum, persists today;