You are presented with the question "What can result in extinction?" and the following answer choices: - Harming an animal species - scattered light - exposure to cold - Ignoring an animal species - deforestation - Helping an animal species - DNA damage and mutations - Growing food for animals Now knowing that harming an animal species causes that animal 's population to decrease and regular overfishing can decline an animal population to the point of extinction, choose the best answer.
Harming an animal species
(Question)
You are presented with the question "What is attracted to the petals of the flower?" and the following answer choices: - seeds - Oxygen - Cats - elms - pollen - Bees - bushes - h2o Now knowing that petals attract pollinators to the flower and bees are effective pollinators, choose the best answer.
(Answer)
Bees
Ques: You are presented with the question "Emphysema can be caused by" and the following answer choices: - Pollution - nitric oxide - smoking - steroids - Pesticides - pollen - hormones - hydrogen peroxide Now knowing that smoking causes direct damage to the lungs and with emphysema, there is permanent lung damage in the alveoli, choose the best answer.
Ans: smoking
(Q).
You are presented with the question "Products that harm small animals can also protect what?" and the following answer choices: - the skin - food - insects - large animals - plants - consumers - boulders - organisms Now knowing that apesticide is used for protecting plants by killing insects and small animals are harmed by pesticides, choose the best answer.
(A).
plants
Ques:You are presented with the question "What can cause something to have a change of state?" and the following answer choices: - smell - death - size - forces - sweat - fever - color - heat Now knowing that heat can change the state of matter and if the state of matter is changed, as in a liquid to a gas, it is called a change of state, choose the best answer.

Ans:heat
You are presented with the question "What do guitars make sound with?" and the following answer choices: - friction - vibration - voltage - energy - power - bamboo - mechanical - heat energy Now knowing that plucking a string can cause that string to vibrate and nylon string is by far the softest sound on the guitar, choose the best answer.
vibration