Q: If the female platypus and echindna do not have a uterus or vagina, then the female platypus and echindna does not have a vagina and? Answer choices: - Uterus - expelled - organ - abrasion - alveoli - reproduce - state - Epidermis
A: Uterus

Q: If cancer promotes the division of cells with damaged DNA, then what promotes the division of cells with damaged DNA? Answer choices: - PDAs - chemicals - smoking - lmestone - A drug. - acid rain - bacteria - cancer
A: cancer

Q: If gases released during the use of fossil fuels can effect crops and weather conditions around the world, then what can have a long term effect on crops and weather conditions around the world? Answer choices: - electromagnetic energy - A farmer irrigating his crops - deforestation - Nitrogen in the soil - Temperature - Use of fossil fuels - Burning fuel and air - A windy day
A: Use of fossil fuels

Q: If better sense of smell has a positive impact on a dog's survival, then abetter what can have a positive impact on a dog's survival? Answer choices: - food and shelter - sensory neurons - stamina - haircut - sense of smell - sense of touch - fur pattern - prolactin release
A: sense of smell