An ecologist conducts a greenhouse experiment to study the effect of water concentration added to soil on the productivity of sunflower seedlings. what is the independent variable in this experiment?

When scientists examine the fossil record, they find the remains of different species in layers of rock of different ages. What do they deduce from this? A. the earth experienced many floods in the distant past B. fossils sink at different rates C.

Predict the coat color of offspring produced by two white rabbits.

Explain why Hunter gather societies were highly mobile

Gymnospern definition

Why can humans not rely on the transport method used in small organisms

According to the scientific theory of the origin of life on earth, life arose in a series of steps beginning with inanimate chemicals. do scientists think this process is still happening on our planet today?

Substances that go IN to a chemical reaction is called what? A) Reactant. B) Product. C) Subscript. D) Coefficient.

Which statement describes the relationship between plants, animals, and the carbon cycle?

In a glass you have 76% salt water also you have an egg which is 90% water inside, which way would the water move.

Explain how the water cycle functions because of change in matter.