Answer:
It is a good concept but can't be used.
Explanation:
Producing artificial blood is a good concept but it can't take the place of real human blood because the artificial blood has many disadvantages which can cause great damage to our body such as binds nitric acid that affected blood flow, increases the level of bilirubin, amylase and lipase in the blood and also cause overload of iron in your organs or tissues so that's why it can't be used instead of original human blood but may be in the future if these complications are removed.
I think zoe because you can’t just test which one is the best it’s too broad to investigate
Answer:
in spanish - Una opinión es una declaración que describe una creencia o pensamiento personal que no puede ser probado (o no ha sido probado) y no está respaldado por evidencia. ... Las teorías no se describen como verdaderas o correctas, sino como la explicación mejor sustentada del mundo basada en la evidencia.
Explanation:
i engliash -An opinion is a statement describing a personal belief or thought that cannot be tested (or has not been tested) and is unsupported by evidence. ... Theories are not described as true or right, but as the best-supported explanation of the world based on evidence.
A change in which no new substance is formed is called a physical change.
Examples: Crushing a can, Melting an ice cube, Boiling water, Breaking glass, Dissolving sugar in water, Shredding paper, and Chopping wood.
All of these examples may involve a change in shape, form, or appearance, but it DOES NOT involve a change in the molecule structure.
