Ascientist finds an unusual living thing and decides to study it. which observation indicates that the living thing is among the smallest types of living things?
a.
it is multicellular.

b.
it does not have a nucleus.

c.
it possesses a membrane-bound nucleus.

d.
it possesses a hard outer shell.

Researchers want to use edna to look for an invasive species in the water which of the steps would be likely do last

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a.earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c.earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.

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.