Answer:
Many activities of human alter the availability of water in ecosystem.
Explanation:
We know that water is an essential item for daily use and development works. Water is required for different development processes.
Although, the drinking of water is foremost work, but human beings utilize water into agricultural practices, industries, cleaning activities etc. These activities of human beings alter the availability of water in an ecosystem. Thank you
Explanation:
HIV directly attacks CD4 helper lymphocytes directly. (D)
Answer:
There <u>warning calls</u> of other animals to scare them away from food.
Explanation:
Honest sentry to deceptive thief.
