Because when he hikes up a hill he does much more effort than when he walks in flat ground, also the heart beats faster in order to send blood to all his organism
Definitely not the first or last but I’m pretty sure it’s the third. I’m sorry if wrong. I’m like 85% sure it’s right
The correct answer is water. Since carbon
is the common element of organic compounds, the molecule of
an organic material must have at least one carbon atom in its molecule. Water does not
contain any carbon atom in its molecule, H2O. So water is only an inorganic compound. <span>It is the most abundant and important inorganic compound in
living material. It makes up about 60-80% of the volume of most living cells.</span>
Trigone of the urinary bladder is made from three orifices, two <span>ureteric orifice and one urethra orifice.
Ureteric orifice is made by ureter from the left and right kidney. It's the place where urine enters the bladder.
Urethra orifice is connected to urethra and it's where the urine comes out of the bladder.</span>
Answer:
Option B, Most communities never become completely stable
Explanation:
In an ecological succession, most of the species are unstable and they keep on changing continuously. The succession is primarily of two types –
a) Primary Succession – In this, community of species occur on a new habitat which had been never occupied earlier. Or it can be said that it is entirely a new habitat.
b) Secondary Succession – In this, community of species occur in a habitat where earlier life existed but it was disturbed or damaged by some environmental condition.
Hence , the correct answer is option B
