Ozone depletion results in higher levels of UV radiation reaching Earth, and uV radiation causes DNA damage and mutations 3.3. Given these facts, ozone depletion causes higher levels of which of the following? among the following options: - Sulfur dioxide - Greenhouse gases - rays or beams - chlorofluorocarbons - DNA damage and mutations - harmful substances - direct damage to the lungs - wavelengths and photons
DNA damage and mutations

(Question)
Ribosomes are structures in the cytoplasm where proteins are made, and life without protein is impossible. Given these facts, what is not possible without ribosomes among the following options: - growth - death - fusion - earth - life - rocks - stones - tumor
(Answer)
life

Ques: Having no natural predators increases population size, and organisms have to be better adapted as population size increases. Given these facts, what does having no natural predators mean creatures have to be among the following options: - Echinoderm. - animals - heterotrophs - Echinoids - slow and inefficient - better adapted - threatened - dangerous
Ans: better adapted

(Q).
Antigens are found on cancer cells and the cells of transplanted organs, and an antigen is a protein that prompts an immune response to cancer cells. Given these facts, a protein that prompts an immune response are found where among the following options: - the skin - critical organs - epidermis and dermis - layers of fat - Veins and arteries. - at or near the margins - Earth orbiting the Sun - on cancer cells
(A).
on cancer cells

Ques:Hitting an object causes the particles in that object to vibrate, and geoffrey stops to hit a gong in different places, testing the concept of resonance. Given these facts, what does gong's particles vibrating cause among the following options: - particle explosion - friction - silence - ice forming - heat energy - Energy. - energy - resonance

Ans:resonance

Scraping oneself on a contaminated object may cause infection, and some infections lead to disease. Given these facts, scraping oneself on a contaminated object may lead to what among the following options: - superpowers - symptoms - disease - enhanced health - blood - good fortune - bacteria - toxins
disease