Answer:
Explanation:
Seashells are the exoskeletons of mollusks such as snails, clams, oysters and many others. ... Mantle tissue that is located under and in contact with the shell secretes proteins and mineral extracellular to form the shell. Think of laying down steel (protein) and pouring concrete (mineral) over it
Answer:
absolute brightness
Explanation:
The observational fact about a cepheid variable star that leads to a measurement of its distance from earth is that its period of variation is directly related to its absolute brightness
Answer:
Below
Explanation:
https://www.weather.gov/source/zhu/ZHU_Training_Page/winds/Wx_Terms/Flight_Environment.htm This site will help you, trust me. If not then sorry !
C. Sandstone and Basalt make a metamorphic rock.