Joshua has invented a special greenhouse. By turning a special dial in his new greenhouse, Joshua can choose can enter the greenhouse When only ultraviolet light is allowed to enter the greenhouse, what will happen while Joshua is standing
inside the greenhouse?
Joshua can see objects inside the greenhouse
O Joshua can see objects outside the greenhouse
o As time passes, Joshua begins to sunburn.
o As time passes, it becomes warmer inside the greenhouse than it is outside.

periodic trends is an atom that gets larger as the number of electronic shells increase, the radius of atoms increases as you go down a certain group in the periodic table of elements. in general, the size of an atom will decrease as you move from left to right of a certain period.

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.

idk what is it? is this a question that you know the answer or u dont