What are some challenges or concerns associated with the use of technology in education, as mentioned in the given statements?
a) Credibilityandvalidationofsources
b) Cheating
c) Distractions
d) CostofEquipment
e) Availabilitytostudents
f) Less"discoverythinking"
g) Studentsmayknowmorethanteacher
h) Couldnegativelyimpactwritingskills