I don’t understand the question but if I can make a correct inference, they have thorns to protect themselves from predators.
This is gravity.
Gravity is a force that is exerted on all objects on earth. The greater the mass, the greater the force of gravity is on an object.
The answer is d or c but I think it’s b. Hope this helps!
Answer:
_True____ Sedimentary rocks are an important source of information about the Earth's history. __False___ Hypothesis is a well-tested and accepted view that explains scientific observations. __True___ Elements are the basic building blocks of minerals. _True____ There have been 5 mass extinction events. __True___Hydrogen and Helium are used in the process of fusion __False___The oldest rocks are found in the upper sedimentary layers. __False___Intrusive rocks are found on the surface. _False____ Nonrenewable resources can be renewed in relatively short time spans __True___There is geologic evidence that the earth has experienced many episodes of mountain building and erosion.
Explanation:
Sedimentary rocks can contain fossils because, unlike most igneous and metamorphic rocks, they form at temperatures and pressures that do not destroy fossil remains.
A scientific theory is a well tested and widely accepted view that scientists agree best explains certain observable facts
