Cells secrete acids and bases to maintain the proper pH for enzymes to work, and enzyme mechanisms Enzymes are biological catalysts. Given these facts, for biological catalysts to maintain proper pH, what is needed to maintain proper pH among the following options: - Fully cooking the oysters - raising their temperature - Organic compounds - Something made from fermented ricce - metabolic reaction - Chemical energy - Something coming from a gland - secretion of acids and bases
secretion of acids and bases

Plants that shed their leaves seasonally each year are called deciduous plants, and ginkgo biloba is deciduous. Given these facts, what sheds its leaves seasonally each year among the following options: - Christmas trees - pine trees - Leptospirosis - Most plants - evergreen trees - ginkgo biloba - Converting waste. - In the winter
ginkgo biloba

Q: Mutation creates new genetic variation in a gene pool, and genetic variation is the basis for natural selection. Given these facts, what is a basis for natural selection among the following options: - fur and fat - competition - mutation - root growth - insects - animals - trees - cows
A: mutation

Question: Playing is just one of many ways that mammals and other animals learn how to behave, and after all, seals are mammals just as humans are mammals. Given these facts, what uses playing as just one of many ways to learn how to behave among the following options: - athletes - Toys - sharks - Humans - Video games - exercise - people - A.I
Answer: Humans

*Question*
Uneven heating of the Earth 's surface cause wind, and geothermal heat is warm heat. Given these facts, what does uneven warming of the Earth's surfaces cause among the following options: - Winter - harm - wind - sweat - Injury - SNPs - force - warmth
**Answer**
wind

Q: Extreme heat and pressure change rock into metamorphic rock, and marble Marble is a metamorphic rock. Given these facts, what can extreme heat pressure create? among the following options: - movement - engines - warmth - mines - Marble. - an object - forces - sweating
A: Marble.