OSS.03]The sentences below describe four Earth events. Auroras seen in the night sky at the poles.
Disruption of television and radio signals.
Change in the length of days and nights.
Improvement in the transmission of cell phone signals.
Which of these events is most likely to happen on Earth during a solar maximum?
1 and 2
1 and 3
2 and 3
3 and 4

The body is protected against harmful flu viruses by

Identify characteristics of energy from the sun. check all that apply. almost all of the energy on earth comes from the sun. energy from the sun is known as mechanical energy. the energy in fossil fuels originally came from the sun. plants convert the energy of sunlight into chemical energy.

Define the apical impulse and describe its normal location, size, and duration. which abnormal conditions may affect the location of the apical impulse? explain the mechanism producing normal first and second heart sounds. describe the effect of respiration on the heart sounds. describe the characteristics of the first heart sound and its intensity at the apex of the heart and at the base. describe the characteristics of the second heart sound and its intensity at the apex of the heart and at the base.