This equation indicates that the reaction absorbs heat. what is this type of reaction called? h2o + heat → h2 + o2 a. an exothermic reaction b. a combustion reaction c. an endothermic reaction d. a heat-releasing reaction

In pea plants, the allele for tallness (t) is dominant to the allele for shortness (t). in the cross between a tall pea plant and a short pea plant shown below, what is the probability that the resulting offspring will be tall? whats the percent

The number at the end of an isotope’s name is the number.

What is the chemical formula for the compound formed between sodium and flour one