If high pressure systems allow sailplane to fly, then what do high pressure systems allow? Answer choices: - water conservation - Veins and arteries. - hydrogen and oxygen - Animal survival - to move people - heat energy - heating liquids - sailplanes to fly
sailplanes to fly

(Question)
If cattle can have a negative impact on the environment, then what can have a negative impact on the environment? Answer choices: - toxins - trees - Cars - cattle - tar - nutrients - h2o - coal
(Answer)
cattle

Ques: If some aviary species fly and others swim but, all are endothermic tetrapod vertebrates, then some aviary species fly and others swim but, all endothermic tetrapod vertebrates share what trait? Answer choices: - warm-blooded - Weight - fur and fat - sweating - Epidermis - feathers - retina - four limbs
Ans: feathers

(Q).
If solar eclipse has a negative impact on photosynthesis, then what can have a negative impact on photosynthesis? Answer choices: - disease - Smoking - Pollution - seed dispersal - solar eclipse - scattered light - cell division - mutation
(A).
solar eclipse

Ques:If threatening behavior triggers stress within animals, then what do animals feel when threatened? Answer choices: - cold - negative - Sadness - Warmth - Stress - Calmness - deadly - influenza

Ans:Stress

Ques: If androgens are chemical messengers, then androgens and what kind of messengers? Answer choices: - animals - interact - organ - humans - chemical - PDAs - allow growth - kinetic
Ans:
chemical