A water solution whose pH is 4

a. is always neutral.

c. is always acidic.

b. is always basic.

d. might be neutral, basic or acidic.

If the climate is the long-term average of weather, how can climate change?

A common kind of mechanical weathering is called

Acarbohydrate stored in the liver glycogen. Name the gases exchange surface in insect Tracheoles Name one nutrient that is absorbed without being digested

In some circumstances, science will answer questions about what is good or evil. true or false?

Your friend sits down next to you at lunch with only a bottle filled with a lemonade, cayenne pepper and honey mixture. She is in her fifth week of completing this liquid-cleansing diet, and she looks pale and very weak.

In what ways are invasive species succesful in their non-native environment

Which of the following stresses would most likely cause an ecosystem to respond by succession? A. wildfire B. air pollution C. water pollution D. urbanization

The large size of the daughter oocyte after meiosis II results from the uneven distribution of the cytoplasm, which allows the zygote to divide mitotically before it begins growing. A) True B) False

In 3-5 sentences, describe the matter that is considered baryonic matter, explain why it is in this category, and compare and contrast it with other materials in the universe.

Which statement describes thylakoids? A) Glucose is formed here. B) Water molecules are formed here. C) Only photosystem II functions here. D) Photosystems I and II function here.