10. What percentage of the Earth's surface is covered by water?

O 90%

О 70%

O30%

О 40%

Answer the following quesion with true/false : in the phenomenon known as Doppler Effect, electrons are ejected when light shines on certain substances.

Which of the following shows a reduction of chromosomes by half? Male gametophyte to flagellated sperm Sporophyte to spores Male gametophyte to spores Female gametophyte to zygote

The following would be a cognitive symptom of schizophrenia.

Which of the following elements would not be a good conductor of electricity? A) sulfur (#16) B) sodium (#11) C) iron (#26) D) calcium (#20)

stem cells beging to transform into different types of cells in the human body in a process known as cell

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.