Answer:
The abiotic factors are non-living factors in an ecosystem that affect the organisms and their lifestyle. In this case, low temperature and low humidity lead to the conditions that are unfavorable for birds. So, the birds must adapt to these factors by hiding the food in the caches.
Explanation:
You see, you just aren’t philosophical enough to understand an email. You don’t change the email, it changes you.
The appropriate response is an Expert system (ES). PC program that gives guidance to leaders who might somehow or another depend on human specialists. It's a sort of computerized reasoning that uses a database to give help to clients.
Answer:
when they want a certain event to occur when a condition is met
Explanation:
Answer B: Asymmetric cryptography, because the receiver has its own decryption key and cannot create encrypted messages, because he doesn't have the encryption key.
About the other answers:
A: Private keys are always involved, there has to be some secret to do encryption, so this answer doesn't say very much.
C: Digital signatures can be used to verify/prove some data comes from some person (the signer) in an unaltered way. It is not about encryption, so is not about the security of your message. You use it in combination with encryption.
D: Like A, this doesn't say very much. Shared secret keys (symmetric keys) can be used for encryption, but they are less secure since the keys have to exist in more than one place (sender and receiver).
