Aman weighs 645 n on earth. what is his mass?

-9.80 kg
-145 kg
-65.8 kg
-6320 kg

Some plants rely on the wind to reproduce an example is it’s important for plants to use the forces of nature to reproduce because 1. 1a white tuft of dandelion seeds 2a spiked burrs surrounding seeds 3a hard shell on a walnut? 2. 1b require pollination to reproduce 2b reproduce only asexually 3b cannot move about freely?

Explain why the plants cortex would serve as the best food source for animals

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion