If humans have a negative impact on the environment, then what effect has the existence of humans had on the environment? Answer choices: - climate - Negative - Neutral - Positive - Smoking - It expands - sweating - None
Negative

(Question)
If males and females engage in courtship, then what engages in courtship? Answer choices: - Males and females - elephants - fur seals - it keeps an organism warm - science - Males and males - books - warm-blooded
(Answer)
Males and females

Ques: If acid can help dissolve cartilage, then what can acid help dissolve? Answer choices: - drink - layers of fat - an object - a solute - cartilage - Sediment - Bodily water - roots
Ans: cartilage

(Q).
If burying our garbage has a negative impact on the environment, then what damages our environment? Answer choices: - Pollution - flooding - harmful substances - Burying garbage - humans disturb it - Planting trees - Recycling - Using renewable energy
(A).
Burying garbage

Ques:If rhizobial bacteria converts nitrogen into a fertilizer for plants, then what does rhizobial bacteria do for plants? Answer choices: - Converts oxygen - nutrients - Converts h2o - Converts nitrogen - Regrows it - hydrate their cells - Converts methane - competing for resources

Ans:Converts nitrogen

Ques:If support structures of a plant are sometimes used to store water, then where is water sometimes stored in a tree or plant? Answer choices: - stomach - evaporation - support structures - at or near the margins - reservoir - watershed - near the shoreline - lake

Ans:
support structures