Iput it in the wrong category !
pls

which describes a difference between birds and mammals?

birds protect and feed their young.

birds have nearly hollow bones.

birds undergo internal fertilization.

birds efficiently transport oxygen to cells.

Birds have nearly hollow bones

birds have nearly hollow bones

Explanation:

Their bones are nearly hollow which greatly reduce their weight and allow them to fly

answer: 802.3 kilo joules of energy represents 191.75 kilo calorie of energy.

explanation:

energy released during combustion of one mole methane = 802.3 kilo joules

if 1 kilo joule = 0.239006   kilo calorie

then ,802.3 kilo joule will be = 802.30.239006 kilo calorie

802.3 kilo joule = 191.75 kilo calorie

hence, the energy in kilo calorie is 191.75 kilo calorie.

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