Subtract (9 kg 400 g 120 mg) - (3 kg 500 g 480 m)

Option (A) is the answer.

Step-by-step explanation:

We have to subtract ( 9 kg 400 gm 120 mg ) - ( 3 kg 500 g 480 mg )

Now we will convert all the weights in the same unit first, then subtract them.

9 kg = 9 × 1000 gm = ( 9 × 1000 ) × 1000 mg = 9,000,000 mg

400 gm = (400) × 1000 mg = 400,000 mg

120 mg = 120 mg

Total weight = ( 9,000,000 + 400,000  + 120 ) mg = 9400120 mg

3 kg = 3 × 1000 gms = 3000 × 1000 mg = 3,000,000 mg

500 gm = 500 × 1000 mg = 500,000 mg

480 mg = 480 mg.

Total weight = 3500480 mg

Now we subtract ⇒ 9400120 - 3500480 = 5899640 mg

Now we will convert it into gm.

= 5899 gms 640 mg

Now we will convert gms to kg.

= 5 kg. 899 gms.

Finally the remainder is 5 kg 899 gms 640 mg.

Option (A) is the answer.

the population of other specie of birds will decline or other specie of birds will find some alternate source of food to survive.

explanation:

according to the competitive exclusion principle, which is also known as gause's law, two specie living in the same niche and feeding on the same resource cannot co-exist stably.

as we have well studied the theory of natural selection which states that only those organisms survive which have better tendency to compete for food and adapt to the environmental conditions.

coming towards the question, what wi ll happen when one species outcompetes the other for the small fish , the other specie will not get enough food and will start to die or decline in population. eventually either other specie needs to find another alternative food source for itself or migrate at some other location where there is less competition otherwise it will just not exist anymore at that niche.

hope it !

h= 12 inches

step-by-step explanation: