Answer:
national
Explanation:
I don't understand, I'm sorry
You always adjust numbers and it will be before the element
so you Neva add or change a subscript
Answer : Hypothesis - When a new concept that is tested in a scientific investigation is used it is called as hypothesis.
Explanation : Hypothesis is defined as supposition or proposed explanation made on the basis of limited evidence, which acts as a starting point for any further investigation on a particular topic.
When a scientific investigation is conducted there is a quest to find the best possible answer to a question, using a scientific method.
In turn, the scientific method is defined as a systematic process in which it involves using measurable observations to formulate, test or modify a hypothesis.
Answer:
Elliptical galaxies are one of the three types of galaxies. They have a rounded shape of an ellipse, like a stretched-out circle. They lack the swirling arms that are a main feature of spiral galaxies.
