As a fertilized frog egg develops into an embryo, it undergoes (H. B.2D1)
a. One meiotic cell division, only
b. Many meiotic cell divisions
c. One mitotic cell division, only
d Many mitotic cell divisions

Imagine a rocket launching from earth and travelling to the moon. in which order would the rocket pass through the layers of the atmosphere? thermosphere, mesosphere, stratosphere, troposphere troposphere, mesosphere, stratosphere, troposphere thermosphere, stratosphere, mesosphere, troposphere troposphere, stratosphere, mesosphere, thermosphere

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?