please can you check my answers to these questions regarding RStudio?

Question

1. Which of the following must be part of each layer in a ggplot2 object? There may be more than one correct answer.

	limits
	grouping variable(s)
	facet
tick	aesthetic mapping
	colour
tick	geom

1 points  

QUESTION 2

1. Which of the following geom_ functions are appropriate for adding a layer to a ggplot2 object to visualise the relationships between numeric variables? There may be more than one correct answer.

tick	geom_bar()
tick	geom_point()
tick	geom_histogram()
tick	geom_count()
	geom_scatter()
	geom_boxplot()

1 points  

QUESTION 3

1. Which of the following geom_ function(s) could you use to make a plot showing the distribution of a continuous numeric variable? There may be more than one correct answer.

tick	geom_point
	geom_dotplot
	geom_line
	geom_histogram
	geom_col
	geom_distribution

Answer 1

Q1. looks right.

Q2. It is about numeric variables"s" so geom_scatter() is a valid response, but geom_bar() is not since it's for visualizing the frequency of one numeric variable only.

Q3. include geom_histogram and geom_distribution as correct answers.

disclaimer: please verify the reseults t ensure accuracy.