Answer:
Proteins can be catalysts which help to reduce the energy used in a chemical reaction or speed it up. Proteins can help carry oxygen throughout the body in the form of hemoglobin
Explanation:
Oceanic crust is continuously being created at mid-ocean ridges<span>. As plates diverge at these </span>ridges<span>, magma rises into the upper mantle and crust. As it moves away from the </span>ridge<span>, the lithosphere becomes cooler and denser, and sediment gradually builds on top of it.</span>
Answer:
U-238
Explanation:
the half-life of uranium-238 is about 4.5 billion years
A. The answer is A but I need 20 characters to submit the answer
