Answer: The verb tack means to attach, add, or change course. As a noun, tack refers to a small nail, the direction of a ship, or a course of action.
Answer:
The dog moves the block because it wants a treat.
Explanation:
The dog simply sniffed out the treat and moved the blue block over so he could get the treat.
Answer:
More of the world's population is now concentrated in heavily populated urban areas known as <u>megalopolis</u>. This is quite a contrast from the past, when <u>indigenous</u> or native groups were either farmers or <u>nomads</u>— hunters and gatherers who moved between places in search of food. Advanced technology has led to <u>globalization</u>, the integration of world economics and cultures, in the world's more developed countries. This integration requires increased <u>conservation</u>, the responsible use and management of natural resources.
