Unlike exocrine glands, endocrine glands <span>release secretions directly into the blood. The correct option among all the options that are given in the question is the third option or option "C". Basically exo means outside and endo means inside. This is the hint that will lead to the correct answer.</span>
Ans.
Paper waste prevention is defined as a practice to reduce or eliminate use of paper, which is potential for the efficient use or disposal of paper. It decreases the environmental impacts due to both paper manufacturing and paper recycling, such as demands on forest resources).
Use of advance technologies, such as E-mail (electronic mail) can help in cut down on paper waste. Nowadays, E-mail has replaced conventional letters and faxes as it is more eco-friendly than letters and faxes, which needs paper consumption.
Thus, the correct answer is 'option d). E-mail.'
Many animals travel in packs or herds to increase chance of survival. This type of adaptation would be classified as behavioral