1. respiratory system
sorry i’m not sure about the second one !
Correct answer: A). Light slows down as it moves from the air in to the water, resulting in refraction, or a bending of light.
This is because as light travels through one media it travels in a straight line, however, when it travels from one media to another media it bends, light path bends because of the phenomenon of refraction of light.
The refraction takes place only at the boundary, as the light continues to cross the boundary, it travels in a straight line.
So, as the portion of the pencil is submerged in water, the light will travel from water to air.
Hence it appears to be broken because of refraction of light. So, the correct answer would be option A.
Answer: D.finding fossils in the same area that are in layers closer to the surface.
Relative dating refers to the age estimation method in which past events are determined, to compare the age of object, organism, strata or rock with the age of other similar entity. This method gives an approximate or estimated age, it does not provide absolute age.
The older fossils are found in deeper layers of the strata as compared to younger fossils. This represents the geological time and life span of primitive or preexisting organisms. Therefore, according to the given situation, finding fossils in the same area that are in layers closer to the surface is the best conclusion.
Answer:
1.B. Yes, water is able to pass across the membrane through the aquaporins
2.A. Neither NaCl nor water can move across the cell membranes.
The breaking down of
sugars is called glycolysis. The prefix glyco- means sugar, and the suffix
-lysis means breaking down. It's part of a three-step process in respiration,
the other two is The Krebs Cycle and Electron Transport Phosphorylation. In the
process of glycolysis, 2 ATP and 2 NADH are produced.
