Major subdivisions of the biosphere are called?
a. niches
b. habitats
c. climate zones
d. biomes

Ineed a chemical reaction takes place in which erlergy is released. arrange the reaction's characteristics in order from start to finis lower energy of reactants higher energy of products higher energy of reactants transition state sd lower energy of products

When proteins are being produced by a cell, scientist say that the genes are question 2 options: activated turned off replicated deactivated

Consider the following reaction: 2h2 + o2 —> 2h2o a) what are the reactants in this reaction? b) what are the products in this reaction? c) how many molecules of oxygen are used in this reaction?