Answer:
A cell wall is a structural layer surrounding some types of cells, just outside the cell membrane. It can be tough, flexible, and sometimes rigid. It provides the cell with both structural support and protection, and also acts as a filtering mechanism.
Answer:B. The author includes the sound of the beeps from a radio signal, indicating the scientists
are close to a bear.
Explanation:
Answer:
The author point out the ability of human beings to have feelings for each other through empathy which inturn create altruistic human behavior.
Explanation:
Empathy result in having compassion and understanding feelings of people who are afflicted and it's encourage others to render help. Empathy is a motivator of altruism. Altruism is a person's ego who has problems and anxieties and go out to render help to others who need it. Altruism born out of empathy is the true altruism because it is the desire to help people who are afflicted.
Answer:
i mean, u have a right answer.
Explanation: