Which of the following is a warning sign of frequent rockfalls?
talus
moraine
striations
horn mountain
some one answer this one i don't know it and i need

Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere

Which cell organelle is the site for photosynthesis? a. chloroplast b. endoplasmic reticulum c. golgi apparatus d. lysosome