Fact 1: HIV infects and destroys helper T cells. Fact 2: Lets Meet the HIV HIV is a new virus. Given the two facts above, answer the question "What can infect and destroy helper T cells?" with the following options: - Q cells - Cooking - bacteria - red blood cells - a-a gradients - parasites - viruses - cigarettes
viruses

(Question)
Fact 1: Hydropower requires damming a river. Fact 2: Streams and rivers are crossed on rocks, beaver dams, on fallen trees or by wading. Given the two facts above, answer the question "Hydropower requires beavers damming what?" with the following options: - lakes with large rocks - a hydraulic system - organisms and their habitat - streams with two branches - water with old boards - scarce resources - fissures of hot, acidic water - streams with fallen trees
(Answer)
streams with fallen trees

Ques: Fact 1: Acactus stem is used for storing water. Fact 2: Cactus species often grow in hot, dry deserts. Given the two facts above, answer the question "Where do plants that grow in hot, dry deserts store water?" with the following options: - In the stem - In the spines - peachleaf willow - scarce resources - bamboo - In the branches - cactuses - In the leaves
Ans: In the stem

(Q).
Fact 1: Storms cause bodies of water to increase amount of water they contain. Fact 2: Hurricanes are killer storms. Given the two facts above, answer the question "What do hurricanes do to the amount of water contained in bodies in water?" with the following options: - they do nothing - fissures of hot, acidic water - they make it increase - they make it decrease - forest is destroyed - Damages them - they displace all water - move to different locations
(A).
they make it increase

Ques:Fact 1: Water vapor condensing in clouds causes rain. Fact 2: When it rains, the rain moistens the soil. Given the two facts above, answer the question "what does water vapor condensing in the clouds cause?" with the following options: - energy - Pollution - Evaporation - moist soil - Energy. - flooding - kinetic energy - Heat energy

Ans:moist soil

Ques: Fact 1: Mollusks reproduce sexually. Fact 2: Some mollusks have a shell. Given the two facts above, answer the question "What types of animals reproduce sexually?" with the following options: - virus - produce offspring - larvae - Some animals with shells - mate with females - By wind and rain - spread flower seeds - acellular
Ans:
Some animals with shells