Cold fronts cause thunderstorms as they pass by, and if cold air is advancing on warm air, the front is called a cold front. Given these facts, cold air advancing on warm air cause what among the following options: - Greenhouse gases - friction - flooding - wind storms - colder weather - air storms - ice storms - thunderstorms
thunderstorms

(Question)
Magnetism can cause objects to repel each other, and aspinning electron is what causes magnetism. Given these facts, what causes objects to repel each other among the following options: - bad smells - kinetic energy - sticky substances - electrically - spinning electrons - heat energy - Electrical energy - object size
(Answer)
spinning electrons

Ques: Some viruses can cause cancer, and hepatitis B virus causes liver cancer. Given these facts, what can hepatitis b form among the following options: - harmful substances - liver cancer - smoking tobacco - It expands - layers of fat - bioaerosols - anemia - contamination
Ans: liver cancer

(Q).
Fish have a circulatory system with a two-chambered heart, and fish include bass and salmon. Given these facts, what has a circulatory system with a two-chambered heart among the following options: - sharks - insects - salmon - animals - barnacles - mammals - tortoises - alpacas
(A).
salmon

Ques:Most invertebrates have a nervous system, and jellyfish and insects are invertebrates. Given these facts, what has a nervous system among the following options: - fur seals - Jellyfish - Rocks - chickens - animals - Air - h2o - elephants

Ans:Jellyfish

Chloroplasts are organelles that are found in the cells of plants and algae, and chloroplasts Chloroplasts serve as the site of photosynthesis. Given these facts, what occurs in organelles that are found in the cells of plants and algae among the following options: - oxidation reaction - flow of electrons - glucose - cell membrane - refraction of light - photosynthesis - root - stem
photosynthesis