The answer is B. Muscle Fiber
Well, they are both deposited by glaciers, but the way they are deposited makes them different. Till is just sediment left by the ice, outwash is deposited by the running water coming off of the glacier. Your welcome! Don't for got to thank me!
Answer: New vaccines are offered each year because the virus changes.
Explanation: The flue viral strain constantly changes its genetic make up, a process called antigenic drift. As the virus replicates there are small changes that creates new strains which evolve to a completely different influenza virus requiring a new type of vaccine each year.
<span>The quality of Australian land is unique as the properties of the earth crust are different. There is no much of evolution of land and is an isolated space which is the reason for the said placental mammals do not habitat there but has their own diverse kind of these marsupials.</span>
<span>Three anatomical features that birds share with their theropod ancestors are:
</span><span>1. they had light, hollow bones
</span>2. they rearranged hip and leg muscles because this of <span>improved bipedal movement
</span>3. they had their flight oriented with the use of wings for balance
