Answer:
D. intense volcanic activity.
Explanation:
- The Paleozoic era an era in the geologic time and started about 541 million years. It originated due to the diversity of life forms on the planet. and ended about 252 mn years ago along with the end of Permian era.
- The extinction was related to the changes in climate and exceptionally low sea levels. During which about 95% of the marine species were killed.
In simple terms, chlorophyll makes a leaf look green because it reflects only green light.
Answering in a more detailed fashion, chlorophyll is a pigment. As a pigment it absorbs some wavelengths of visible light, (red, orange, yellow, green, blue, indigo, and violet are the colors of visible light), while reflecting others. In specific, chlorophyll absorbs all other colors of light but green, which it reflects. It is this reflection of green light that cause a leaf to appear green.
Answer:
4. Fossils form in sedimentary rocks
Explanation:
- A <u>fossil expresses the traces or is the remains</u> of prehistoric plant or animal that has died and its body part has been carefully been imprinted on to the surface of the rock that is sedentary as they have the characteristics of the mineral preserving qualities.
- There age , method of formation and evolutionary significance can be well established by the fossil remain in rocks that depict there occurrence throughout the carbon dating of the rocks.
- The <u>process that leads to the formation of fossil is Personalization, casts and molds, recrystallization and Carbonization</u>. Tracing a fossil consisting of digging out the track and burrows.
- Some fossil is found in deposits of resins which complete preserve the fossils from erosion process.
Answer:
x = 3.5
Explanation:
The chords are the same length, so are the same distance from center:
3x +1 = x +8
2x = 7 . . . . . . subtract x+1
x = 3.5 . . . . . divide by 2
I beileve it is a hurricane
