28 countries .///////<span>include Austria, Belgium, Bulgaria, Croatia, the
Republic of Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg,
Malta, the Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia,
Spain, Sweden, and UK //////</span>
A cattle drive is the process of moving a herd of cattle from one place to another, usually moved and herded by cowboys on horses.
Answer:
c. carrying capacity
Explanation:
The maximum population size that the environment can sustain is called the carrying capacity. This means the environment needs to provide the food, shelter, water to the population.
The carrying capacity is also known as the the environment's maximal load.
The impact on the environment resulting from consumption is given by

where,
P = Number of people
A = Annual consumption by the people
T = Factor of technology
Hence, the statement here refers to the carrying capacity.