Question 2How many columns does Bootstrap's responsive grid consist of?

The Bootstrap grid system is based on how many columns?

How many columns are allowed across the page in Bootstrap grid system?A16B12C8D24

Which of the following is true about CSS Grid?Question 6Answera.It is only suitable for one-dimensional layouts.b.It is best suited for complex layouts with both rows and columns.c.It can't be combined with Flexbox in the same layout.d.It only works with fixed-width elements.

CSS grid introduced a new length unit, fr, to create flexible grid tracks. Referring to the code sample below, what will the widths of the three columns be?.grid {display: grid;width: 500px;grid-template-columns:50px 1fr 2fr;}AThe first column will have a width of 50px. The second column will be 50px wide and the third column will be 100px wide.BThe first column will have a width of 50px. The second column will be 150px wide and the third column will be 300px wide.CThe first column will have a width of 50px. The second column will be 300px wide and the third column will be 150px wide.DThe first column will have a width of 50px. The second column will be 500px wide and the third column will be 1000px wide.

Imagine we have a grid with the following CSS properties, with 4 boxes inside of it. If we added a fifth box to the HTML, what width would it have?.grid {  grid-template-rows: repeat(2, 50px);  grid-template-columns: repeat(2, 100px);  grid-auto-rows: 60px;  grid-auto-columns: 70px;}60px50px100px70px0px