Q: If overcoming the energy barrier starts a chemical reaction, then overcoming the energy barrier starts a what? Answer choices: - chemical reaction - contraction - Movement of an air mass - expansion - metabolic reaction - energy storage - increased body strength - oxidation reaction
A: chemical reaction

Q: If most plants have a primary and secondary meristem, then what can have a primary and secondary meristem? Answer choices: - birds - plants - Flowers - cacti - fish - grass - phytoplankton - potatoes
A: plants

Q: If hormones control many cell activities, so they are very important for the chemical equilibrium of the body, then what control many cell activities and are very important for the chemical equilibrium of the body? Answer choices: - organs - Energy - critical organs - sweating - Organic compounds - pancreas - hydration - the hormones
A: the hormones

Q: If mitosis is how organisms grow and repair themselves, then what is how organisms grow and repair themselves? Answer choices: - exercise - cell wall - glucose - diploid - complex - haploid - mitosis - Cooking
A: mitosis