5. What is the approximate hydrogen/hydronium ion concentration in a cup of tea? (1 point) a) What is the approximate hydroxide ion concentration in a cup of tea? (1 point)
b) Which is higher? (2 points)
(tea has a pH of 4-6)

6. What is the approximate hydrogen/hydronium ion concentration in bleach? (1 point)

a) What is the approximate hydroxide ion concentration in bleach? (1 point)

b) Which is higher? (2 points)

(bleach pH is >12)

According to the tide table below what time of day will the highest tide occur?

All of the following are part of the biosphere except

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