B. ecliptic plane.
C. multiple-spectrum vividness.
D. multiple-vivid spectrum.
b. Chemistry
c. Astronomy
d. None of the above User: Scientific knowledge is
Answer:
7 km
Explanation:
53 km in 1 hour/ 60 minutes. .89 km a minute.
The role of Carbon in steel is to increase hardness and tensile strength as well as response to heat treatment (hardenability). Increased amounts of carbon also reduces weldability. It is usually present to up to 2% carbon.
B. How does rust form from iron and water?
C. How high will a thrown object rise before gravity pulls it back to Earth?
D. In what ratio do hydrogen and oxygen combine to form water?