1)
if the sun were to burn out, it would take humans just over 8 minutes to realize because l...
Biology, 22.11.2019 18:31 mayachojnicki
1)
if the sun were to burn out, it would take humans just over 8 minutes to realize because light from the sun takes just over 8 minutes to reach earth. tommy was 3 years old when his dad showed him a particular star that was estimated to be 18 light years away from earth. if the star burned out immediately after tommy was showed it, how old would tommy be before he realized the star was gone?
a) 21 years old
b) 18 years old
c) 9 years old
d) 6 years old
Answers: 2
Biology, 22.06.2019 02:00
What type of weather does tropical continental air bring in summer? hot and cloudy cool and sunny hot and sunny cool and cloudy
Answers: 3
Biology, 22.06.2019 09:10
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.
Answers: 1
Biology, 22.06.2019 11:30
Which of the following is an eon in the time scale? phanerozoic proterozoic archean all of the above
Answers: 2
Biology, 22.06.2019 13:30
Kudzu vines grow by climbing and wrapping around trees. trees covered by kudzu can die because they are starved of sunlight. what type of relationship exists between the trees and the kudzu growing on them?
Answers: 1
English, 24.01.2021 06:10
English, 24.01.2021 06:10
Mathematics, 24.01.2021 06:10
Mathematics, 24.01.2021 06:10
Arts, 24.01.2021 06:10
Mathematics, 24.01.2021 06:10
Mathematics, 24.01.2021 06:10
Mathematics, 24.01.2021 06:10
History, 24.01.2021 06:10
Mathematics, 24.01.2021 06:10