The answer is A, Using reusable shopping bags at stores
Answer:
A. Ancient bacteria
Explanation:
From the salt of the earth, researchers have isolated and revived a Bacillus strain, which they believe is >250 million years old. If correct, Russell Vreeland and his colleagues from West Chester University, Pennsylvania, have discovered the oldest living organism in the world.
Answer:
Proteins serve many functions within an organism, such as mammals. Proteins are used to grow and repair tissues. ... Proteins also form hormones, which transport chemical messages between tissues and organs. Proteins are also important building blocks of bone, carilage, muscle, skin, and blood.
Link:
https://www.enotes.com/homework-help/outline-role-proteins-life-mammals-547196
I suggest you to provide some options, as it's quite difficult to answer your question. Here is your answer: A long bone is covered externally with a sheath called the
periosteum, whereas the marrow cavity is lined with the <span>
endosteum</span>
. I've attached the illustration to make it clear for you
I am no expert but I think the correct answer is C.