A base H+ ions from a solution. After a base dissolves in water, the solution has a low H+ concentration. A: Removes
B: Adds
C: Neutralize

A. Removes

Explanation:
Acids add H+ ions to the solutions, and buffers neutralize solutions.

Carbon-14 has a half-life of 5,730 years and most igneous rock is older than that.

The rate that would change would be the  searching efficiency/attack rate. there are only two other rates in this model: the  growth rate of prey, and the  predator or consumer mortality rate.the  searching efficiency/attack rate is what indicates how effectively can a predator capture its prey whether in the searching process or actual capturing/attacking process.