What do animals such as clams and oysters extract from the water to build their shells? A) fructose
B) silicon
C) hydrogen
D) carbon

Barbara is converting 78°f to degrees celsius. first, she subtracts 32 from 78. what is the next step?

What happened to rosalind franklin in 1956?

Imagine a rocket launching from earth and travelling to the moon. in which order would the rocket pass through the layers of the atmosphere? thermosphere, mesosphere, stratosphere, troposphere troposphere, mesosphere, stratosphere, troposphere thermosphere, stratosphere, mesosphere, troposphere troposphere, stratosphere, mesosphere, thermosphere