What is true of a substrate?

It acts as a reactant in a chemical reaction.

It provides a reaction with energy.

It acts as a product in a chemical reaction.

It is not consumed or changed by a reaction.

Which of the following gives rise to the skin cells? ectoderm endoderm mesoderm none of the above

An educated geuss or rational about a specific phenomenon

What are some likely reasons the classroom doorknob is among the least infected areas in a classroom

Defend the following stetement: All compounds are substances, but not all substances are compounds

According to the contour lines, which side of this hill is the steepest? They're the same steepness . You can't tell from this type of map. Side A Side B

Factors to be considered when replacing a tissue in the body

What are some science skills you could use to study fish in a aquarium

What happens when you increase a muscle's endurance? A) The length and flexibility of the muscle is increased. B) The overall strength of the muscle is increased. C) The thickness and size of the muscle is increased.

Which biome would contain the most trees? a tundra b grassland c desert d taiga

What does r136a1 have n common with the sun