A branch or leaf and here is a link to some flash cards i found
https://quizlet.com/45759526/developmental-anatomy-flash-cards/
B is the compound because a compound is two or more different atoms that combine.
Answer:
The difference between the cellular make - up of a living organism and aluminum can is the ability to use energy .
Explanation:
charles darwin proposed thoery of natural selection.he had collected imnumerable specimens of plant and animals.he published concept survival of fittest. while explaining he says that There is always competition for food.only those organism survive which shows adptations in various reasons. it thoery of natural selection.
There are some objections,
1. natural selection is not only factor responsible for evolution.
2. darwin did not mention uesful and useless modifications.
3. There is no explanation about slow and abrupt changes
The independent variable is the detergent and the dependent variable is the cleanness of the cloths because it depends on how much detergent you use.