Which is the best example of technological design

Select the correct answer from each drop-down menu.describe what happens to a carbon-11 atom when it undergoes positron emission.the decay of a carbon-11 atom _1_, and this causes it to emit _2_.options for 1: > changes a neutron into a proton> changes a proton into a neutron> is hit with a neutron> reconfigures its protons and neutronsoptions for 2: > a negatively charged electron-sized particle> a positively charged election-sized particle> two atoms and several neutrons> two neutrons and two protons

Scuba divers use tanks of compressed air to them breathe. gases can be compressed because?

If cos x =sin(20 + x) and 0 < x < 90, the value of x is > 3 , 35 , 350answer is 35, free 50 points