The earliest introduction of zebra mussels in united states probably occurs in 1986.
At that time, commercial vessels from Europe went to north America as a place for freshwater ballast stowaway. They merchants then introduced zebra mussels to the market and it gained popularity ever since. They also introduced zebra mussels population in local lakes and let them reproduce there.
The answer is false. It is because pre-schoolers and school-age children differs in terms of their understanding and by that, the way they assess and evaluate the task that are given to them are different. Especially on how they approach the tasks that are each given to them.
he first-past-the-post, winner-takes-all system, which is used for every election in the USA - federal, state and local - makes life difficult for third parties.
Answer:
D. Wind, rain, and ice.
Explanation:
The term weathering comes from the process of rocks or other surfaces being broken down after being exposed to the elements. This refers to elements such as wind, rain, and ice. All of these things can slowly break down anything left outside or exposed to the weather. The other answers are incorrect because weathering only refers to the processes created by the atmosphere. Things like erosion, time of day, and volcanoes are unrelated to the atmosphere and therefore not weathering.
