Answer:
it's a
Explanation:
Earth rotates on its axis once each day, and the gravity of the Moon causes the oceans to bulge. Earth rotates on its axis once each year, and the gravity of the Moon causes the oceans to bulge.
Smoking ruins your lungs making it harder to breath and get oxygen
you need oxygen when you exercise so you don't faint
smokers get less so it is harder for them, its like trying to exercise while breathing through a sponge or a straw os
Answer:
The correct answer would be B. semi-permeable.
Plasma membrane of any cell including red blood cell is semi-permeable in nature as it is made up of lipid bilayer.
It permits the passage of certain substances across the membrane while it blocks other substances.
Gases, small uncharged or non-polar substances such as oxygen, carbon dioxide, et cetera can easily pass through the cell membrane of a cell.
Large or charged molecules such as proteins, sodium ions, potassium ions et cetera can not pass through the cell membrane. They require carrier proteins to pass through the membrane.
95% sure it is answer B) Detect the electrical discharges of prey in the sand using small pits on it's bill, crush the food with grinding pads on the top and bottom of it's bill (they don't have actual teeth), and webbed feet.
I did some quick research and it had all of those things.
Hope this helps.
Answer: They compare the number of mutations to determine how long ago species separated and evolved.
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