Answer:
The only thing that can scratch Corundum is diamond.
Explanation:
We refer to the Mohs Hardness Scale for the hardness levels. We can see that Corundum is a level 9 which is the second highest so at a level 10 we see diamond, therefore diamond is the only thing that can scratch Corundum.
The correct answer is B. Rabbit and grasshopper
Explanation:
In ecosystems, primary consumers refer to organisms that eat producers, which are in the first level and include plants as they produce their own energy. Due to this, primary producers include mainly herbivore animals such as cows, goats, sheep, etc. Moreover, primary consumers are the prey of other animals, which are known as secondary consumers. In the image presented, the primary consumers include the grasshopper and the rabbit because the arrows indicate they feed exclusively on grass, which is the producer of this food web.
B. is a long crack, which releases lava, steam, and gases
Explanation:
A fissure is a long crack which releases lava, steam and gases into the environment. Fissures are mostly associated with volcanic bodies.
A volcano is an igneous structure by which lava erupts on the earth surface.
- most volcanoes have fissures through which they release materials into the environment.
- these features are usually permeating cracks into the deeper magmatic body.
- they often times acts as conduit for magma to reach the surface.
- in a volcanic terrain, fissures can provide good clues to the occurrence of an eruption.
learn more:
volcanic bodies brainly.com/question/5055821
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3 would be policy analyst, 2 would be forestry manager and 1 would be wildlife biologist I think
Answer:
The first man to witness a live cell under a microscope was Anton van Leeuwenhoek, who in 1674 described the algae Spirogyra
Explanation: