Which is not correct about textbook rsa signature?
a) it is not secure because it is malleable and we could forge a valid signature based off some existing valid signatures.
b) it is not secure as we can always use 1 as the valid signature of message 1
c) it is not secure but could be mitigated by applying a secure hash function to generated signatures
d) it is not secure as we can randomly select a number and use it as a valid signature

this statement is true.

forests are public goods, available for everybody. when usage of such a good becomes interesting for consumers and its usage increases, there can be a risk of overexploitation. it is a non rival good therefore, if one person consumes the good it does not reduce the availability for subsequent consumers.

these caracteristics require the establishment of measures in order to prevent the destruction of a commonly owned space, for example, to restrict the amount of people that have access to the same time.

c it has to be i googled it