a chemical element or substance required in trace amounts for the normal growth and development of living organisms.
A biotic factor is all of the students in the classroom.
Hope this helps!!
True because how else would we survive on Earth?
Answer:
The nervous system takes in information through our senses, processes the information and triggers reactions, such as making your muscles move or causing you to feel pain. For example, if you touch a hot plate, you reflexively pull back your hand and your nerves simultaneously send pain signals to your brain
Answer and Explanation:
When metals lose electrons through oxidation, they form positively charged cations.
Li → Li+ + H+
2Ba → Ba2+ + H+
2Cu → Cu2+ + H+
