1.3 [35] ACTIVITY 2 2.1. In THREE facts each, explain the following: 2.1.1 Natural radiation (3x2)(6) 2.1.2. Artificial/ man-made radiation (3x2)(6) 2.2. DiscussONE way in which global warming aggravates the effect of radiation PROJECT 2021 GRADE 11 LIFE ORIENTATION NORTHWEST PROVINCE​

In positive numbers less than 1, the zeros between the decimal point and non zero are significant

Starting with only the balmer series light (visible light), how could we ensure that the solar panels generate a current that mark can use for his power station? a)by gradually increasing the brightness (amount) of light that we shine on it. b)by gradually increasing the frequency of the light we shine on it. c)by gradually increasing the wavelength of the light that we shine on it.

You are given a vector a = 125i and an unknown vector b that is perpendicular to a. the cross-product of these two vectors is a × b = 98k. what is the y-component of vector b?