How are scientific theories different than laws or hypotheses?
theories can be changed to better fit new evidence.
theories can remain the same over hundreds of years.
theories can be proven beyond any doubt or questioning.
theories can develop without any supporting observations.

Theories can be changed to better fit new evidence.

Explanation:

A scientific theory is a proposed explanation for the cause of natural phenomena or event. This is supported by the evidences that obtain from the observations and data obtain after the experimental procedures.

The scientific law is a statement that is based upon the natural world depending upon the repeated experiments and observations.

The main difference between the scientific theory and scientific law is that changes can be made in the scientific theory on the bases of new findings through research and experimentation but the scientific laws cannot be changed.

a) are muscles that have bands.

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answer: at 24 february, 2014 the population gets twice of its initial population.

explanation:

since we have given that

the population for alpha city, t years after january 1, 2004 is given as

first we find out the initial population, i.e. t=0,

so, our quadratic equation becomes,

according to question, we have said that if the population has twice its initial population, then it becomes

so, time taken to reach this above mentioned population is given by

now, we know that time can't be negative so, we take t=9.149 years.

hence, at 24 february, 2014 the population gets twice of its initial population.