Q: If smoking harms the respiratory and circulatory systems, then what harms the respiratory and circulatory systems? Answer choices: - Cars - oxygen - smoking - vehicles - emissions - gasoline - fresh air - lungs
A: smoking

Q: If marine and benthic creatures lack respiratory and excretory systems, then what creatures lack respiratory and excretory systems? Answer choices: - Plant growth is reduced - marine and benthic - barnacles - epidermis and dermis - They may not survive. - kalenchoes - graptolites - movement of tectonic plates
A: marine and benthic

Q: If oxygen and heat are transported to other parts of the body, then what is transported to other parts of the body? Answer choices: - Organic compounds - ice - oxygen and heat - vital organs - heat energy - Veins and arteries. - electromagnetic energy - cat hair
A: oxygen and heat

Q: If the area where secondary growth occurs is located within and around the vascular tissues, then the area where what growth occurs is located within and around the vascular tissues? Answer choices: - shrub beds - Conifers - homogenous - secondary - Plants growth - ferns - roots - Most plants
A: secondary