Skin cells are made of proteins, water, and fat. But brain cells are only made up of amino acids, which ca make protein.<span />
Answer:
easy ......
This statement means that the flow of nutrients is not unidirectional in an ecosystem, i.e. the nutrients do not flow in one direction. ... Example: Nutrients that are passed on from the plants to herbivores and then to other organisms are recycled back into the atmosphere after that organism.
The correct answer is <span>d. 62%.
Since Ellie's decision will be based 100 % on Janice's decision, the probability that both will attend the class is 62 % because that is the chance that Janice will attend the class. Since Ellie just depends on Janice, the correct answer is </span><span>d. 62%. I hope this answer helped you. </span>
I believe the answer is tertiary
Viruses need to be inside a living thing (of course the living thing has to have the right temperature which most living things do) . When they're inside a living thing they start injecting the host's cells with its DNA in order to make more copies of itself which allows the virus to spread. So basically viruses need to be inside something living.
