Burning fossil fuels increases the carbon in the atmosphere, and this atmospheric carbon might be contributing to the greenhouse effect. Given these facts, what is contributing to the greenhouse effect among the following options: - energy of moving objects - mining gold - Warm air moving into cold air - burning fossil fuels - acid rain - melting ice caps - energy usage - single-celled organisms
burning fossil fuels

(Question)
Heating a liquid can be used to identify that liquid 's boiling point, and lots of gas bubbles burst over the boiling lakes' surface. Given these facts, heating a liquid can cause what among the following options: - direct damage to the lungs - gas bubbles to burst - Something to move - It expands - The bending of a ray of light - chemical reaction - enormous damage to homes - matter vibrating
(Answer)
gas bubbles to burst

Ques: Petals attract pollinators to the flower, and kiwifruit flowers are pollinated by bees. Given these facts, petals attract animals such as bees to what part of a producer among the following options: - orchids - stem - buds - flowers - seeds - plants - vegetation - leaves
Ans: flowers

(Q).
Animals may compete for territory, water, food, or mates, and larger animals dominate in competition for food, mating partners, and nesting space. Given these facts, which types of animals dominate in competition for territory among the following options: - Large. - average - Birds - humans - Man - dinosaurs - a fish - small
(A).
Large.

Ques:Thick fur can be used for keeping warm, and mammals have warm blood, and fur or hair, and breathe air. Given these facts, what do mammals keep warm with among the following options: - fats - ears - skulls - Limbs - food - tails - tissue - hair

Ans:hair

Ques: An automobile engine transforms chemical energy into mechanical energy, and marine engines, with very few exceptions, are automobile engines converted to marine use. Given these facts, what converts chemical energy into mechanical energy among the following options: - kinetic energy - Marine engine - driving - some invertebrates - sea urchins - vehicles - rockets - animal transport
Ans:
Marine engine