Beginning in the mid 1600's earth entered into a mini-ice age. 1815 was known as the "year without a summer" and snow fell in many european countries during the summer months. the year without summer was believed to be the result of a major volcanic eruption, mount tambora. although the exact cause of the mini ice age is unknown, scientists speculate that the low temperatures correspond with a) very low sunspot activity. eliminate b) the industrial revolution. c) increased greenhouse gases. d) a growing hole in the ozone.

Which of the following are causes of coastal erosion? check all that apply. beach grasses and other plants trap windblown sand. wave action carves away the coastline. groundwater under pressure is forced to earth’s surface. artificial structures stop the natural flow of sand along the coast. underground caves collapse as bedrock is dissolved.

Hormones are chemical molecules produced by endocrine glands. one such endocrine gland is the thyroid gland, which synthesizes the thyroid hormone, which in turn affects the heart muscles. which two statements describe the probable reason for the function of the hormone? the cells in the heart have specific receptors that allow for the intake of hormones. the heart and the endocrine glands have the exact same types of cells. all cells make the same types of hormones. thyroid hormones show their effect on the heart by means of specialized cells. thyroid cells and cardiac cells have different dna.

What are the proteins in connectivity tissues of your foot examples of?