In a spontaneous reaction - A. the reaction happens very quickly. B. additional heat is required to make it occur. C. no additional heat is required to make it occur. D. additional heat is absorbed from the environment.

Dora rolled a marble down a ramp in recorded the potential energy and kinetic energy of the marble at different positions on the ramp as shown in the table below which is the constant variable in this experiment

What is meiosis getting ready for

In order to carry out the functions of life, organisms must

During gene expression, dna is transcribed into rna in the nucleus. then, the rna is translated into proteins in the cytoplasm. through what physical barrier must the rna pass when moving from the nucleus into the cytoplasm?

Which of the following terms encompasses all of the others? A) heterotrophs B) herbivores C) carnivores D) primary consumers E) secondary consumers

What is visibility in science?

At birth, which statement is true? a. Systemic resistance and pulmonary resistance fall. b. Gas exchange shifts from the placenta to the lung. c. Systemic resistance falls and pulmonary resistance rises. d.

The electron transport chain is an anaerobic process. True or False

According to the dietary guidelines, what should be the maximum daily intake of cholesterol on a 2500-kcalorie diet?

Which organism is most likely to be responsible for the boils? which organism is most likely to be responsible for the boils? bacillus cereus escherichia coli staphylococcus aureus staphylococcus epidermidis?