Write any two substances or solid which charge by this process

I think you're asking 'substances that change by a process' if you are asking so, Here's your answer!

Explanation:

1) SOLID WAX!

changes if heated and turns into the liquid wax

2) WATER!

Changes into Ice if cooled!

HOPE THIS IS APPROPRIATE!

MARK BRAINLIEST!!

gold discovery in california, and pioneer settlers were sometimes pulled west because they wanted to make a better living. others received letters from friends or family members who had moved west. these letters often told about a good life on the frontier. the biggest factor that pulled pioneers west was the opportunity to buy land.

welcome mark brainliest i am trying to get to the next level.

d is the correct answer.

b is incorrect because it makes food by itself

c is incorrect because us humans don't know how to produce their own food using the sun like plants.

a is incorrect because consumers can depend on carnivores for eating food for consumers to eat the dead organism. same thing with omnivores.