Answer:
active transport
Explanation:
I like to remember it by active transport has the name active, which means it requires activity
The answer is B. Platypus, as they are mammals that lay eggs.
It is gotten from the atmosphere by respiration, burning of fossil fuel, decay, excretion and decomposition of organic matter, fossilization etc
Animals that use echolocation. Bats, whales, dolphins, a few birds like the nocturnal oilbird and some swiftlets, some shrews and the similar tenrec from Madagascar are all known to echolocate.
On a time graph the line will be flat. on a distance the line will increase at a predictible rate
