Answer:
There are many ways scientists can gather evidence to learn about Earth's interior including direct evidence from rock samples and indirect evidence from seismic waves.
also
1. Seismic waves and earthquakes
2. Volcanoes
3. Principles of density
4. Earth is magnetic
Explanation:
Earths food chain starts with the sun then it goes to producers such as plants that absorbs the sun’s energy to produce their own “food”
These cells have DNA in a region called the nucleoid.
-Some of these cells have structures like flagella and microvilli.
-These cells have cell walls made of polypeptides and polysaccharides.
The attraction between a hydrogen atom on one water molecules and the oxygen atom on another is known as the hydrogen bond.
The correct answer is letter a, it is because in wet drop method, it does not need to add water after placing the specimen because adding water before placing the specimen in the glass slide is already enough and after placing the specimen, a cover slip is the last step in finishing the method. That is why Johnny is not correct in doing the procedure.
