The mass number of an element is the sum of the protons and neutrons. The number of neutrons for a given element is the only number that can change and still have the identity of the element stay the same, (because the atomic number is the number of protons). In this case the mass number would be 11
Producers are at the bottom or beginning of the food chain because they produce their own food. producers do not eat other organisms unless there are exceptions. consumers eat other consumers and also eat producers.
Answer:
The center section of the period table is classified into<u> transition </u> elements.
Explanation:
Transition elements can be described as elements that are present in the centre of the periodic table and are usually metals. These elements have their d sub-shells partially filled. The transition metals have high oxidation states. They have high melting points. These elements generally are known to form coloured compounds and are used for various chemistry tests. The elements from group 4 to 11 generally occur under in this category. Examples of these elements include essential elements like iron and copper.
near water or some kind of body of water
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A student's post on photosynthesis can be reliable because he cited multiple high-quality studies from scientific journals.
When we research to show that a hypothesis or idea is true, we need to give it reliable support so that people who read our research trust the conclusions of our research, and it is considered as true knowledge.
To give reliable support to an investigation, it is necessary to resort to feasible arguments or true knowledge developed by researchers and specialists. For this, we must consult sources of reliable information.
Examples of reliable sources of information are:
- International scientific journals
- University research
- Proven scientific evidence
- Specialized books
According to the above, what the student must do so that his publication is reliable for other students is to cite reliable sources so that the knowledge he is sharing is reliable.
Learn more in: brainly.com/question/10906854
